Process of manufacturing reliefs,申请号US19400326981-传众专利搜索

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发明名称	Process of manufacturing reliefs
摘要
申请公布号	US2242631(A)	申请公布日期	1941.05.20
申请号	US19400326981	申请日期	1940.03.30
申请人	ABE STILLMAN	发明人	STILLMAN ABE
分类号	B44C3/02	主分类号	B44C3/02
代理机构		代理人
主权项
地址

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