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经营范围
发明名称
Gasentladungsverstaerker
摘要
申请公布号
DE528910(C)
申请公布日期
1931.07.04
申请号
DE1924S067420D
申请日期
1924.10.19
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
SCHOTTKY DR. WALTER
分类号
H01J3/02
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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