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发明名称
Vorrichtung und Verfahren zur Herstellung von Gitterelektroden
摘要
申请公布号
DE837733(C)
申请公布日期
1952.05.02
申请号
DE1949S000272
申请日期
1949.10.25
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
GRASSEL DIPL.-ING. DR.-ING. LUDWIG
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
主权项
地址
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