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发明名称
ELECTRIC SWITCHING APPARATUS
摘要
申请公布号
CA409003(A)
申请公布日期
1942.12.01
申请号
CAD409003
申请日期
申请人
CANADIAN WESTINGHOUSE COMPANY
发明人
CHARLES C. WHITTAKER
分类号
主分类号
代理机构
代理人
主权项
地址
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