Printing machine,申请号US19310574101-传众专利搜索

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发明名称	Printing machine
摘要
申请公布号	US1931284(A)	申请公布日期	1933.10.17
申请号	US19310574101	申请日期	1931.11.10
申请人	LUCY F. PRATT	发明人	CARLSON JOHAN A.
分类号	B31D1/02	主分类号	B31D1/02
代理机构		代理人
主权项
地址

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