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发明名称
Schaltroehre
摘要
申请公布号
DE846417(C)
申请公布日期
1952.08.11
申请号
DE1950S020521
申请日期
1950.10.10
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
JACOBI WERNER DR. PHIL.
分类号
H01J31/06
主分类号
H01J31/06
代理机构
代理人
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