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发明名称
SIGNAL TRANSMISSION SYSTEM
摘要
申请公布号
CA429732(A)
申请公布日期
1945.08.28
申请号
CAD429732
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
ANDREW COURTNEY NORWINE
分类号
主分类号
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代理人
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