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发明名称
Ventilglied fuer Wechselstromventile oder Gleichrichter
摘要
申请公布号
DE529305(C)
申请公布日期
1931.07.11
申请号
DE192600W1965D
申请日期
1926.03.12
申请人
THE WESTINGHOUSE BRAKE AND SAXBY SIGNAL CO. LTD.
发明人
分类号
H01L21/16
主分类号
H01L21/16
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代理人
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