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发明名称
SWITCHING CONTROL MECHANISMS
摘要
申请公布号
CA573504(A)
申请公布日期
1959.04.07
申请号
CAD573504
申请日期
申请人
CANADIAN MARCONI COMPANY
发明人
JAMES W. SANGER-STEVENS
分类号
主分类号
代理机构
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