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发明名称
Ratchet wrench
摘要
申请公布号
US3273429(A)
申请公布日期
1966.09.20
申请号
US19640400396
申请日期
1964.09.30
申请人
RYERSON & HAYNES, INC.
发明人
ORLOW STEPHEN DE
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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