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发明名称
Elektronenroehre mit Gluehkathode
摘要
申请公布号
DE842375(C)
申请公布日期
1952.06.26
申请号
DE1950S019007
申请日期
1950.09.08
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
WEISSFLOCH ANDREAS
分类号
H01J19/48;H01J29/04
主分类号
H01J19/48
代理机构
代理人
主权项
地址
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