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发明名称
Ratchet mechanism
摘要
申请公布号
US2395681(A)
申请公布日期
1946.02.26
申请号
US19440562464
申请日期
1944.11.08
申请人
DURO METAL PRODUCTS COMPANY
发明人
ODLUM WILLIAM H.;PAINE KARL A.
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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