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发明名称
MEANS FOR DRIVING ROTARY APPARATUS
摘要
申请公布号
CA308115(A)
申请公布日期
1931.01.27
申请号
CAD308115
申请日期
申请人
THE CANADIAN MARCONI COMPANY
发明人
GEORGE MAURICE WRIGHT
分类号
主分类号
代理机构
代理人
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