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发明名称
Elektronischer Schalter
摘要
申请公布号
DE830353(C)
申请公布日期
1952.02.04
申请号
DE1950W001899
申请日期
1950.05.03
申请人
WESTERN ELECTRIC COMPANY INCORPORATED
发明人
LEWIS WILLARD DEMING
分类号
H03K17/74;H04J3/04;H04Q11/04
主分类号
H03K17/74
代理机构
代理人
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地址
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