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经营范围
发明名称
Elektrische Leuchtröhre.
摘要
申请公布号
CH148905(A)
申请公布日期
1931.08.15
申请号
CHD148905
申请日期
1930.10.07
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M. B. H.
发明人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M. B. H.
分类号
H01J61/52
主分类号
H01J61/52
代理机构
代理人
主权项
地址
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