Hanger device for lamp fixtures,申请号US19550536842-传众专利搜索

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发明名称	Hanger device for lamp fixtures
摘要
申请公布号	US2907545(A)	申请公布日期	1959.10.06
申请号	US19550536842	申请日期	1955.09.27
申请人	BECK MORRIS B;WILLIAMS HILLMAN L	发明人	BECK MORRIS B.;WILLIAMS HILLMAN L.
分类号	F21V21/03;F21V21/26	主分类号	F21V21/03
代理机构		代理人
主权项
地址

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