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经营范围
发明名称
Improvements in multiple lamp apparatus
摘要
申请公布号
GB665745(A)
申请公布日期
1952.01.30
申请号
GB19480032345
申请日期
1948.12.14
申请人
EDWIN CARL WEISKOPF
发明人
分类号
F21V19/04
主分类号
F21V19/04
代理机构
代理人
主权项
地址
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