Process and apparatus for making shell core and mold products,申请号US19590829349-传众专利搜索

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发明名称	Process and apparatus for making shell core and mold products
摘要
申请公布号	US3072979(A)	申请公布日期	1963.01.15
申请号	US19590829349	申请日期	1959.07.24
申请人	ABBOTT DONALD C	发明人	ABBOTT DONALD C.
分类号	B22C23/00	主分类号	B22C23/00
代理机构		代理人
主权项
地址

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