Machine for the recovery of used foundry sand,申请号US19500181637-传众专利搜索

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发明名称	Machine for the recovery of used foundry sand
摘要
申请公布号	US2649630(A)	申请公布日期	1953.08.25
申请号	US19500181637	申请日期	1950.08.26
申请人	THOMLEY JR JOHN W	发明人	JR. JOHN W. THOMLEY,
分类号	B01F13/00;B22C5/04	主分类号	B01F13/00
代理机构		代理人
主权项
地址

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