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发明名称
Elektrisk Projektionsglødelampe, særlig til kinematografiske Formaal.
摘要
申请公布号
DK50405(C)
申请公布日期
1935.07.08
申请号
DKD50405
申请日期
1934.06.18
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M. B. H.
发明人
分类号
主分类号
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