ISO 723-1991 标准详情
- 标准号:ISO 723-1991
- 中文标题:凿岩钎具 六角中空钎杆的锻造钎尾和钎肩
- 英文标题:Rock drilling equipment; forged collared shanks and corresponding chuck bushings for hollow hexagonal drill steels
- 标准类别:国际标准化组织标准ISO
- 发布日期:1991-02
Specifies the dimensions of both forged collared shanks and corresponding chuck bushings. Values are given for five nominal sizes. This second edition cancels and replaces the first edition (1974), which has been technically revised (extension of the
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