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发明名称
Elektronenröhre und Verfahren zu ihrer Herstellung
摘要
申请公布号
CH527496(A)
申请公布日期
1972.08.31
申请号
CH19700012679
申请日期
1970.08.25
申请人
VARIAN ASSOCIATES
发明人
PAUL POLESE,JAMES
分类号
H01J19/42;(IPC1-7):H01J19/08;H01J9/00
主分类号
H01J19/42
代理机构
代理人
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地址
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