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经营范围
发明名称
Improvements in ratchet wrenches
摘要
申请公布号
GB415921(A)
申请公布日期
1934.09.06
申请号
GB19330033660
申请日期
1933.11.30
申请人
WALTER BOLLMANN
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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