Improvements in producing dye-impression two-color positives and in material and apparatus therefor,申请号GB19300023766-传众专利搜索

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发明名称	Improvements in producing dye-impression two-color positives and in material and apparatus therefor
摘要
申请公布号	GB339319(A)	申请公布日期	1930.12.03
申请号	GB19300023766	申请日期	1929.07.03
申请人	JOHN EDWARD THORNTON	发明人
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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