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发明名称
Screw setting device
摘要
申请公布号
US1952395(A)
申请公布日期
1934.03.27
申请号
US19320633294
申请日期
1932.09.15
申请人
AMERICAN OPTICAL COMPANY
发明人
TILLYER EDGAR D.;SCHUMACHER EIMER L.
分类号
B25B13/48;B25B15/00
主分类号
B25B13/48
代理机构
代理人
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地址
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