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发明名称
Loetlehre zur Herstellung von Elektronenroehren
摘要
申请公布号
DE1115369(B)
申请公布日期
1961.10.19
申请号
DE1960R028589
申请日期
1960.08.22
申请人
RADIO CORPORATION OF AMERICA
发明人
JUN. HARRY VOLPERT KNAUF
分类号
H01J19/46
主分类号
H01J19/46
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代理人
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