CORE MAKING MACHINE WITH HARDENING GAS MANIFOLD,申请号USD3528481-传众专利搜索

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发明名称	CORE MAKING MACHINE WITH HARDENING GAS MANIFOLD
摘要
申请公布号	US3528481(A)	申请公布日期	1970.09.15
申请号	USD3528481	申请日期	1968.10.17
申请人	PETTIBONE CORP.	发明人	ROBERT S. LUND
分类号	B22C7/06;B22C9/12;B22C15/24;B22C17/08;(IPC1-7):B22C13/12	主分类号	B22C7/06
代理机构		代理人
主权项
地址

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