Portable device for making rubber printing plates,申请号US19590840884-传众专利搜索

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发明名称	Portable device for making rubber printing plates
摘要
申请公布号	US2968063(A)	申请公布日期	1961.01.17
申请号	US19590840884	申请日期	1959.09.18
申请人	DERBY SR RALPH F	发明人	SR. RALPH F. DERBY,
分类号		主分类号
代理机构		代理人
主权项
地址

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