Improvements in machines for producing patterns photographically on the surface of copper and like rollers,申请号GB19490018823-传众专利搜索

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发明名称	Improvements in machines for producing patterns photographically on the surface of copper and like rollers
摘要
申请公布号	GB665940(A)	申请公布日期	1952.02.06
申请号	GB19490018823	申请日期	1949.07.18
申请人	LASZLO FRANK	发明人
分类号	G03F7/24	主分类号	G03F7/24
代理机构		代理人
主权项
地址

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