Improvements in photographic emulsions suitable for producing direct positives,申请号GB19390002124-传众专利搜索

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发明名称	Improvements in photographic emulsions suitable for producing direct positives
摘要
申请公布号	GB524087(A)	申请公布日期	1940.07.30
申请号	GB19390002124	申请日期	1939.01.21
申请人	KODAK LIMITED	发明人
分类号	G03C1/485	主分类号	G03C1/485
代理机构		代理人
主权项
地址

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