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【国际标准】 Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 7/8 to 1 1/4 in (22 to 32 mm)
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标准简介适用范围：
暂无
标准号：
ISO 1719:1974 EN
标准名称：
Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 7/8 to 1 1/4 in (22 to 32 mm)
英文名称：
Rock drilling — Extension drill-steel equipment for percussive long-hole drilling — Rope-threaded equipments 7/8 to 1 1/4 in (22 to 32 mm)标准状态：
废止-
发布日期：
1974-09-01 -
实施日期：
出版语种：
EN
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