Improvements in photogravure processes,申请号GB19300002279-传众专利搜索

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发明名称	Improvements in photogravure processes
摘要
申请公布号	GB346483(A)	申请公布日期	1931.04.16
申请号	GB19300002279	申请日期	1930.01.22
申请人	SUCKICHI SAWARAGI	发明人
分类号	B41N3/03;G03F7/04;G03F7/11	主分类号	B41N3/03
代理机构		代理人
主权项
地址

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