Antihalation photographic element,申请号US19380186907-传众专利搜索

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发明名称	Antihalation photographic element
摘要
申请公布号	US2203767(A)	申请公布日期	1940.06.11
申请号	US19380186907	申请日期	1938.01.25
申请人	DU PONT FILM MANUFACTURING CORPORATION	发明人	BALDSIEFEN WALTER D.
分类号	G03C1/835	主分类号	G03C1/835
代理机构		代理人
主权项
地址

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