Apparatus for and method of making sand molds mechanically,申请号US19500166211-传众专利搜索

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发明名称	Apparatus for and method of making sand molds mechanically
摘要
申请公布号	US2636231(A)	申请公布日期	1953.04.28
申请号	US19500166211	申请日期	1950.06.05
申请人	DOUGHERTY JAMES T	发明人	DOUGHERTY JAMES T.
分类号	B22C11/00	主分类号	B22C11/00
代理机构		代理人
主权项
地址

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