Photographic film hanger,申请号US19300420856-传众专利搜索

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法人/股东/高管

发明名称	Photographic film hanger
摘要
申请公布号	US1854931(A)	申请公布日期	1932.04.19
申请号	US19300420856	申请日期	1930.01.15
申请人	JACOB GUTMAN	发明人	GUTMAN JACOB
分类号	G03D13/12	主分类号	G03D13/12
代理机构		代理人
主权项
地址

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