Production of photographs in blueblack tones,申请号US19380213448-传众专利搜索

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发明名称	Production of photographs in blueblack tones
摘要
申请公布号	US2153619(A)	申请公布日期	1939.04.11
申请号	US19380213448	申请日期	1938.06.13
申请人	AGFA ANSCO CORPORATION	发明人	FRICKE HANS;BIRR EMIL JOACHIM
分类号	G03C5/305	主分类号	G03C5/305
代理机构		代理人
主权项
地址

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