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发明名称
Gas- oder dampfgefuellte elektrische Niederdruckentladungsroehre
摘要
申请公布号
DE756026(C)
申请公布日期
1952.09.22
申请号
DE1939P079979D
申请日期
1939.11.05
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
JOHNSON PERCY J.
分类号
H01J61/067
主分类号
H01J61/067
代理机构
代理人
主权项
地址
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