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发明名称
Ratchet mechanism
摘要
申请公布号
US2283382(A)
申请公布日期
1942.05.19
申请号
US19400314435
申请日期
1940.01.18
申请人
BLACKHAWK MFG. CO.
发明人
MANDL SIEGMUND
分类号
B25B13/46;B25G1/04
主分类号
B25B13/46
代理机构
代理人
主权项
地址
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