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发明名称
Einrichtung zur Herstellung spitzenloser elektrischer Niedervoltgluehlaempchen durch Zusammenschmelzen des Lampenballons mit dem Pumproehrchen und den Stromzufuehrungsdraehten
摘要
申请公布号
DE512051(C)
申请公布日期
1930.11.06
申请号
DE1929K116729D
申请日期
1929.09.24
申请人
MAX KARKUTSCH
发明人
分类号
H01K3/20
主分类号
H01K3/20
代理机构
代理人
主权项
地址
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