51 GB/T 2484-1994 普通磨具 代号和标记 Symbols and designation for bonded abrasive products

52 GB/T 2487-1984 油石 Oil stones and sticks

53 GB/T 2488-1984 砂瓦 Segments of grinding wheels

54 GB/T 2489-1984 薄片砂轮 Thin grinding wheels

55 GB/T 2492-1984 砂轮静平衡检验方法及不平衡数值 Static balance testing for grinding wheels and unbalance value

56 GB/T 2493-1995 砂轮的回转试验方法 Rotation test of grinding wheel strength

57 GB 2494-1995 磨具安全规则 Safety rules for bonded abrasives

58 GB/T 2495-1996 普通磨具 包装 Packing for bonded abrasive products

59 GB/T 2804-1981 组合夹具元件结构要素 Modular parts of fixture construction--General features, profiles and dimensions

60 GB/T 2851.1-1990 冲模滑动导向模架 对角导柱模架 Sliding guide die sets for press tools—Diagonal pillar sets

61 GB/T 2851.3-1990 冲模滑动导向模架 后侧导柱模架 Sliding guide die sets for press tools—Back pillar sets

62 GB/T 2851.4-1990 冲模滑动导向模架 后侧导柱窄形模架 Sliding guide die sets for press tools—Back pillar sets (narrow)

63 GB/T 2851.5-1990 冲模滑动导向模架 中间导柱模架 Sliding guide die seta for press tools—Center pillar sets

64 GB/T 2851.6-1990 冲模滑动导向模架 中间导柱圆形模架 Sliding guide die sets for press tools—Center pillar sets (round)

65 GB/T 2851.7-1990 冲模滑动导向模架 四导柱模架 Sliding guide die sets for press tools—Four pillar die sets

66 GB/T 2852.1-1990 冲模滚动导向模架 对角导柱模架 Ball slide die sets for press tools—Diagonal pillar sets

67 GB/T 2852.2-1990 冲模滚动导向模架 中间导柱模架 Ball slide die sets for press tools—Center pillar sets

68 GB/T 2852.3-1990 冲模滚动导向模架 四导柱模架 Ball slide die sets for press tools—Four pillar die sets

69 GB/T 2852.4-1990 冲模滚动导向模架 后侧导柱模架 Ball slide die sets for press tools—Back pillar die sets

70 GB/T 2855.1-1990 冲模滑动导向模座 对角导柱上模座 Holder for sliding guide die sets for press tools—Punch holder for diagonal pillar sets

71 GB/T 2855.2-1990 冲模滑动导向模座 对角导柱下模座 Holder for sliding guide die sets for press tools—Die holder for diagonal pillar sets

72 GB/T 2855.5-1990 冲模滑动导向模座 后侧导柱上模座 Holder for sliding guide die sets for press tools—Punch holder for back pillar sets

73 GB/T 2855.6-1990 冲模滑动导向模座 后侧导柱下模座 Holder for ball slide die sets for press tools—Die holder for back pillar sets

74 GB/T 2855.7-1990 冲模滑动导向模座 后侧导柱窄形上模座 Holder for sliding guide die sets for press tools—Punch holder for back pillar sets (narrow)

75 GB/T 2855.8-1990 冲模滑动导向模座 后侧导柱窄形下模座 Holder for sliding guide die sets for press tools—Die holder for back pillar sets (narrow)

76 GB/T 2855.9-1990 冲模滑动导向模座 中间导柱上模座 Holder for sliding guide die sets for press tools—Punch holder for center pillar sets

77 GB/T 2855.10-1990 冲模滑动导向模座 中间导柱下模座 Holder for ball slide die sets for press tools—Die holder for center pillar sets

78 GB/T 2855.11-1990 冲模滑动导向模座 中间导柱圆形上模座 Holder for sliding guide die sets for press tools—Punch holder for center pollar sets (round)

79 GB/T 2855.12-1990 冲模滑动导向模座 中间导柱圆形下模座 Holder for sliding guide die sets for press tools—Die holder for center pillar sets (round)

80 GB/T 2855.13-1990 冲模滑动导向模座 四导柱上模座 Holder for sliding guide die sets for press tools—Punch holder for four pillar sets

81 GB/T 2855.14-1990 冲模滑动导向模座 四导柱下模座 Holder for ball slide die sets for press tools—Die holder for four pillar sets

82 GB/T 2856.1-1990 冲模滚动导向模座 对角导柱上模座 Holder for ball slide die sets for press tools—Punch holder for diagonal pillar sets

83 GB/T 2856.2-1990 冲模滚动导向模座 对角导柱下模座 Holder for ball slide die sets for press tools—Die holder for diagonal pillar sets

84 GB/T 2856.3-1990 冲模滚动导向模座 中间导柱上模座 Holder for ball silde die sets for press tools—Punch holder for center pillar sets

85 GB/T 2856.4-1990 冲模滚动导向模座 中间导柱下模座 Holder for ball slide die sets for press tools—Die holder for center pillar sets

86 GB/T 2856.5-1990 冲模滚动导向模座 四导柱上模座 Holder for ball slide die sets for press tools—Punch holder for four pillar sets

87 GB/T 2856.6-1990 冲模滚动导向模座 四导柱下模座 Holder for ball slide die sets for press tools—Die holder for four pillar sets

88 GB/T 2856.7-1990 冲模滚动导向模座 后侧导柱上模座 Holder for ball silde die sets for press tools—Punch holder for back pillar sets

89 GB/T 2856.8-1990 冲模滚动导向模座 后侧导柱下模座 Holder for ball slide die sets for press tools—Die holder for back pillar sets

90 GB/T 2861.1-1990 冲模导向装置 A型导柱 Guide unit for press tools—Guide pillars, types A

91 GB/T 2861.2-1990 冲模导向装置 B型导柱 Guide unit for press tools—Guide pillars, type B

92 GB/T 2861.3-1990 冲模导向装置 C型导柱 Guide unit for press tools—Guide pillars, type C

93 GB/T 2861.4-1981 冷冲模导向装置 A型小导柱 Guide unit of cold press dies--Small guide pillars, type A

94 GB/T 2861.5-1981 冷冲模导向装置 B型小导柱 Guide unit of cold press dies--Small guide pillars, type B

95 GB/T 2861.6-1990 冲模导向装置 A型导套 Guide unit for press tools—Guide bushes, type A

96 GB/T 2861.7-1990 冲模导向装置 B型导套 Guide unit for press tools—Guide bushes, type B

97 GB/T 2861.8-1990 冲模导向装置 C型导套 Guide unit for press tools—Guide bushes, type C

98 GB/T 2861.9-1981 冷冲模导向装置 小导套 Guide unit of cold press dies--Small guide bushing

99 GB/T 2861.10-1990 冲模导向装置 钢球保持圈 Guide unit for press tools—Cage

100 GB/T 2861.11-1990 冲模导向装置 圆柱螺旋压缩弹簧 Guide unit for press tools—Cylindrical coil compression spring