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发明名称
Elektronenroehre vorgegebener Kennlinie
摘要
申请公布号
DE724620(C)
申请公布日期
1942.08.31
申请号
DE1938L096583D
申请日期
1938.12.16
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
MAYER DIPL.-ING. LUDWIG;PREH DIPL.-ING. WALTER
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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