Photographic lighting apparatus,申请号US19380210133-传众专利搜索

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法人/股东/高管

发明名称	Photographic lighting apparatus
摘要
申请公布号	US2170529(A)	申请公布日期	1939.08.22
申请号	US19380210133	申请日期	1938.05.26
申请人	CLARENCE HOFFMAN WILLIAM	发明人	HOFFMAN WILLIAM CLARENCE
分类号	F21K5/12	主分类号	F21K5/12
代理机构		代理人
主权项
地址

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