Street lighting luminaires and refractors therefor,申请号US19510224943-传众专利搜索

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发明名称	Street lighting luminaires and refractors therefor
摘要
申请公布号	US2721931(A)	申请公布日期	1955.10.25
申请号	US19510224943	申请日期	1951.05.07
申请人	HOLOPHANE COMPANY, INC.	发明人	FRANCK KURT
分类号	F21V3/00;F21V13/04	主分类号	F21V3/00
代理机构		代理人
主权项
地址

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