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发明名称
Vorrichtung zur fortlaufenden Herstellung von wendelfoermigen Leuchtkoerpern elektricher Gluehlampen
摘要
申请公布号
DE721451(C)
申请公布日期
1942.06.05
申请号
DE1938P077258D
申请日期
1938.05.11
申请人
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN M.B.H.
发明人
ASMUSSEN HEINRICH;RIESS JOSEF
分类号
H01K3/04
主分类号
H01K3/04
代理机构
代理人
主权项
地址
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