Method of and apparatus for making patterns,申请号US19370153640-传众专利搜索

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发明名称	Method of and apparatus for making patterns
摘要
申请公布号	US2188502(A)	申请公布日期	1940.01.30
申请号	US19370153640	申请日期	1937.07.14
申请人	EMMONS ERIC L	发明人	EMMONS ERIC L.
分类号	B27M3/00	主分类号	B27M3/00
代理机构		代理人
主权项
地址

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