Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 25667.3-2010 |
Solid carbide twist drills with parallel shank Part3: Technical specifications 整体硬质合金直柄麻花钻 第3部分:技术条件 |
China National Standards Twist drills Technical |
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GB/T 17984-2010 |
Twist drills - Technical specifications 麻花钻 技术条件 |
China National Standards Twist drills Technical |
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GB/T 6139-2007 |
Subland twist drills - Technical specifications 阶梯麻花钻 技术条件 |
China National Standards Twist drills Technical |
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