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发明名称
DRILL ATTACHMENT
摘要
申请公布号
US4082474(A)
申请公布日期
1978.04.04
申请号
US19770757701
申请日期
1977.01.07
申请人
STIGER, DARREL E.
发明人
STIGER, DARREL E.
分类号
B23B45/14;B25H1/00;(IPC1-7):B23B39/00
主分类号
B23B45/14
代理机构
代理人
主权项
地址
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