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经营范围
发明名称
Electric fixture
摘要
申请公布号
US2052433(A)
申请公布日期
1936.08.25
申请号
US19330663980
申请日期
1933.04.01
申请人
WIEDENHOEFT ARTHUR E
发明人
WIEDENHOEFT ARTHUR E.
分类号
F21S8/00;G09F13/26
主分类号
F21S8/00
代理机构
代理人
主权项
地址
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