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发明名称
Gas- oder dampfgefuelltes als Schaltroehre od. dgl. arbeitendes elektrisches Entladungsgefaess
摘要
申请公布号
DE1005648(B)
申请公布日期
1957.04.04
申请号
DE1954S042066
申请日期
1954.12.23
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GAWEHN DR. HERBERT
分类号
H01J17/44
主分类号
H01J17/44
代理机构
代理人
主权项
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