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经营范围
发明名称
Signalzeichen.
摘要
申请公布号
CH169883(A)
申请公布日期
1934.06.15
申请号
CHD169883
申请日期
1933.08.29
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M. B. H.
发明人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M. B. H.
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