Foundry sand conditioning apparatus,申请号US19340747042-传众专利搜索

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发明名称	Foundry sand conditioning apparatus
摘要
申请公布号	US2132163(A)	申请公布日期	1938.10.04
申请号	US19340747042	申请日期	1934.10.05
申请人	THE JEFFREY MANUFACTURING COMPANY	发明人	HENRY FRED B.
分类号	B22C5/06	主分类号	B22C5/06
代理机构		代理人
主权项
地址

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