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发明名称
PERCUSSIVE DRILLING TOOLS.
摘要
申请公布号
IE16763(L)
申请公布日期
1945.02.17
申请号
IE19440000237
申请日期
1944.08.15
申请人
RIP-BITS, LTD.
发明人
分类号
(IPC1-7):B25D/00
主分类号
(IPC1-7):B25D/00
代理机构
代理人
主权项
地址
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