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发明名称
Drill indicator
摘要
申请公布号
US3310796(A)
申请公布日期
1967.03.21
申请号
US19640386524
申请日期
1964.07.31
申请人
SENSI-TRONICS, INC.
发明人
SANDERS EDWIN R.
分类号
B23B47/24;B23Q17/09;G08B21/18
主分类号
B23B47/24
代理机构
代理人
主权项
地址
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