Photographic exposure apparatus,申请号US19380227580-传众专利搜索

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法人/股东/高管

发明名称	Photographic exposure apparatus
摘要
申请公布号	US2247323(A)	申请公布日期	1941.06.24
申请号	US19380227580	申请日期	1938.08.30
申请人	FERDINAND TONNIES HANS	发明人	TONNIES HANS FERDINAND
分类号	G03B7/04	主分类号	G03B7/04
代理机构		代理人
主权项
地址

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