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发明名称
Improvements in clutch operating mechanism
摘要
申请公布号
GB477695(A)
申请公布日期
1938.01.05
申请号
GB19360018800
申请日期
1936.07.07
申请人
DAVID ETCHELLS AND SON LIMITED;DAVID ROWLAND ETCHELLS
发明人
分类号
B21J13/00
主分类号
B21J13/00
代理机构
代理人
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地址
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