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经营范围
发明名称
Verfahren zum Betreiben von symmetrischen Kupferoxydulgleichrichtermodulatoren in Traegerstromsystemen, insbesondere in Vielfachfernsprechsystemen
摘要
申请公布号
DE734886(C)
申请公布日期
1943.04.30
申请号
DE1937S127456D
申请日期
1937.06.04
申请人
SIEMENS & HALSKE AG.
发明人
WERTHER DR. WALTER VON
分类号
H03C1/58
主分类号
H03C1/58
代理机构
代理人
主权项
地址
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