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经营范围
发明名称
Elektrische Leuchtroehre
摘要
申请公布号
DE514238(C)
申请公布日期
1930.12.09
申请号
DE1928P058173D
申请日期
1928.07.15
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
EWEST DR. HANS;PIRANI DR. MARCELLO
分类号
H01J61/04
主分类号
H01J61/04
代理机构
代理人
主权项
地址
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