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经营范围
发明名称
SELECTIVE SWITCH
摘要
申请公布号
CA398506(A)
申请公布日期
1941.08.05
申请号
CAD398506
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
WARREN WESLEY CARPENTER;JOHN NEWBERRY REYNOLDS
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主分类号
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代理人
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