1 GB/T 967-1994 螺母丝锥 Nut taps
2 GB/T 968-1994 丝锥螺纹公差 Manufacturing tolerances on the threaded portion of taps
3 GB/T 969-1994 丝锥技术条件 Technical specification for taps
4 GB/T 970.1-1994 圆板牙 型式和尺寸 The types and dimensions for circular screwing dies
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28
2009
09
行业标准规范英汉对照-工艺装备
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