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发明名称
Improvements in or relating to friction clutches and brakes
摘要
申请公布号
GB371945(A)
申请公布日期
1932.05.02
申请号
GB19310003173
申请日期
1931.01.31
申请人
FRANCIS ARTHUR PERKINS;CHARLES WALLACE CHAPMAN
发明人
分类号
B64C25/46
主分类号
B64C25/46
代理机构
代理人
主权项
地址
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