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发明名称
TAPPING SCREW
摘要
申请公布号
CA369055(A)
申请公布日期
1937.09.28
申请号
CAD369055
申请日期
申请人
CARL G. OLSON
发明人
CARL G. OLSON
分类号
主分类号
代理机构
代理人
主权项
地址
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