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经营范围
发明名称
Improvements in or relating to clutch mechanisms
摘要
申请公布号
GB331894(A)
申请公布日期
1930.07.11
申请号
GB19290004587
申请日期
1929.02.11
申请人
JOHN CHARLES WILLIS HUMFREY;WILLIAM HALCOT HINGSTON;HUMFREY-SANDBERG COMPANY LIMITED
发明人
分类号
F16D23/06;F16D23/12
主分类号
F16D23/06
代理机构
代理人
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