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发明名称
Elektronenroehre
摘要
申请公布号
DE1029487(B)
申请公布日期
1958.05.08
申请号
DE1938L007440D
申请日期
1938.11.11
申请人
LOEWE OPTA AKTIENGESELLSCHAFT
发明人
KAPTEYN DR. PAUL
分类号
H01J5/08;H01J19/42
主分类号
H01J5/08
代理机构
代理人
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地址
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