Method and means for foundry practice,申请号US19290332225-传众专利搜索

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发明名称	Method and means for foundry practice
摘要
申请公布号	US2127533(A)	申请公布日期	1938.08.23
申请号	US19290332225	申请日期	1929.01.12
申请人	SAEGER JR CHARLES MARSHALL	发明人	JR. CHARLES MARSHALL SAEGER,
分类号	B22C1/22	主分类号	B22C1/22
代理机构		代理人
主权项
地址

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