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经营范围
发明名称
Elektronenröhre
摘要
申请公布号
CH351033(A)
申请公布日期
1960.12.31
申请号
CHD351033
申请日期
1957.09.07
申请人
"PATELHOLD" PATENTVERWERTUNGS- & ELEKTRO-HOLDING AG
发明人
JACOB,DR.PHIL. EKKERS,GYSBERT
分类号
H01J19/38;H01J19/42
主分类号
H01J19/38
代理机构
代理人
主权项
地址
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