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发明名称
Ratchet device
摘要
申请公布号
US2188846(A)
申请公布日期
1940.01.30
申请号
US19380235003
申请日期
1938.10.14
申请人
THE SHERMAN-KLOVE CO.
发明人
RUEB THEODORE O.
分类号
B25B13/46
主分类号
B25B13/46
代理机构
代理人
主权项
地址
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