Method of making a porous investment mold,申请号US19640401096-传众专利搜索

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发明名称	Method of making a porous investment mold
摘要
申请公布号	US3362463(A)	申请公布日期	1968.01.09
申请号	US19640401096	申请日期	1964.10.02
申请人	RALPH MANGINELLI	发明人	MANGINELLI RALPH
分类号	B22C9/04	主分类号	B22C9/04
代理机构		代理人
主权项
地址

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