CORE SAND FOR MAKING CORES USING THE HOT-BOX PROCESS,申请号PL19750184912-传众专利搜索

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发明名称	CORE SAND FOR MAKING CORES USING THE HOT-BOX PROCESS
摘要
申请公布号	PL112283(B1)	申请公布日期	1980.10.31
申请号	PL19750184912	申请日期	1975.11.20
申请人		发明人
分类号	B22C1/22;(IPC1-7):B22C1/22	主分类号	B22C1/22
代理机构		代理人
主权项
地址

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