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发明名称
Ratchet wrench
摘要
申请公布号
US2641136(A)
申请公布日期
1953.06.09
申请号
US19490131013
申请日期
1949.12.03
申请人
MARSDEN JR MORRIS B;MARSDEN JAMES H
发明人
JR. MORRIS B. MARSDEN,;MARSDEN JAMES H.
分类号
B25B13/46;F16H31/00
主分类号
B25B13/46
代理机构
代理人
主权项
地址
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