Improvements in methods of producing photo-mechanical printing plates,申请号GB19400018017-传众专利搜索

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发明名称	Improvements in methods of producing photo-mechanical printing plates
摘要
申请公布号	GB545942(A)	申请公布日期	1942.06.19
申请号	GB19400018017	申请日期	1940.12.23
申请人	HERBERT MILLS CARTWRIGHT;ALFRED HAIGH;FRANK HERBERT SMITH	发明人
分类号	G03F7/11	主分类号	G03F7/11
代理机构		代理人
主权项
地址

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