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发明名称
Fremgangsmåde til fremstilling af elektriske udladningsrør med glaskolbe og plan glasbund.
摘要
申请公布号
DK75827(C)
申请公布日期
1953.05.11
申请号
DK19500002329
申请日期
1950.07.13
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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