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经营范围
发明名称
Base for electric discharge lamp
摘要
申请公布号
US2993191(A)
申请公布日期
1961.07.18
申请号
US19570648135
申请日期
1957.03.25
申请人
PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN M. B. H.
发明人
PIETZSCH HERBERT;SORGE OTTOKAR
分类号
H01J5/54
主分类号
H01J5/54
代理机构
代理人
主权项
地址
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