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发明名称
Improvements in ratchet wrenches
摘要
申请公布号
GB618810(A)
申请公布日期
1949.02.28
申请号
GB19460033214
申请日期
1946.11.08
申请人
FRANK JOHN RYFA;WALTER ALBERT RYFA
发明人
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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