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发明名称
Adapters for electric lamps
摘要
申请公布号
US3120419(A)
申请公布日期
1964.02.04
申请号
US19610110958
申请日期
1961.05.18
申请人
MARVIN GELMAN
发明人
DWORKIN MARVIN
分类号
F21V19/00
主分类号
F21V19/00
代理机构
代理人
主权项
地址
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