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发明名称
Electric lighting fixture hanger
摘要
申请公布号
US3225154(A)
申请公布日期
1965.12.21
申请号
US19620184296
申请日期
1962.04.02
申请人
HENNE FRED M
发明人
HENNE FRED M.
分类号
F21V21/10
主分类号
F21V21/10
代理机构
代理人
主权项
地址
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