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经营范围
发明名称
Elektrische Leuchtroehre
摘要
申请公布号
DE573609(C)
申请公布日期
1933.04.04
申请号
DE1929P061495D
申请日期
1929.10.20
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
PIRANI DR. MARCELLO;EWEST DR. HANS;REGER DR. MARTIN
分类号
H01J61/28
主分类号
H01J61/28
代理机构
代理人
主权项
地址
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