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发明名称
Electric lighting fixture
摘要
申请公布号
US2499250(A)
申请公布日期
1950.02.28
申请号
US19480029281
申请日期
1948.05.26
申请人
SAM KASHER
发明人
KASHER SAM
分类号
F21V21/30
主分类号
F21V21/30
代理机构
代理人
主权项
地址
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