Process for the obtainment and multiplication of color photographic proofs and products relating thereto,申请号US19230634185-传众专利搜索

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发明名称	Process for the obtainment and multiplication of color photographic proofs and products relating thereto
摘要
申请公布号	US1792418(A)	申请公布日期	1931.02.10
申请号	US19230634185	申请日期	1923.04.23
申请人	OLD JEWRY TRUST LTD.	发明人	DUFAY LOUIS
分类号	G03C7/20	主分类号	G03C7/20
代理机构		代理人
主权项
地址

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