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经营范围
发明名称
Depth stop for countersinking, boring, drilling, and similar devices
摘要
申请公布号
US2216988(A)
申请公布日期
1940.10.08
申请号
US19380232620
申请日期
1938.09.30
申请人
WERNER ROTERBERG
发明人
SCHMIDT CARL
分类号
B23B51/10
主分类号
B23B51/10
代理机构
代理人
主权项
地址
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