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发明名称
Mehrgitter-Rundfunkroehre
摘要
申请公布号
DE638278(C)
申请公布日期
1936.11.12
申请号
DE1933C048030D
申请日期
1933.06.27
申请人
COMPAGNIE DES LAMPES
发明人
分类号
H01J19/02
主分类号
H01J19/02
代理机构
代理人
主权项
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