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发明名称
Elektronenroehre, insbesondere Senderoehre fuer hohe Frequenzen
摘要
申请公布号
DE892795(C)
申请公布日期
1953.10.12
申请号
DE1939S007184D
申请日期
1939.08.25
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
MATTHIES KURT DR. PHIL.;GANSWINDT HARTMUT
分类号
H01J19/40
主分类号
H01J19/40
代理机构
代理人
主权项
地址
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