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发明名称
Clamp
摘要
申请公布号
US2320493(A)
申请公布日期
1943.06.01
申请号
US19420426228
申请日期
1942.01.09
申请人
HERMAN H. HELBUSH
发明人
WALLACE FRANK C.
分类号
B25B31/00
主分类号
B25B31/00
代理机构
代理人
主权项
地址
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