METHOD OF ANNEALING CAST IRON PIPES HAVING GRAPHITE OF NODULAR OR LAMELLAR FORM AND APPARATUS THEREFOR,申请号PL19780205018-传众专利搜索

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发明名称	METHOD OF ANNEALING CAST IRON PIPES HAVING GRAPHITE OF NODULAR OR LAMELLAR FORM AND APPARATUS THEREFOR
摘要
申请公布号	PL115370(B1)	申请公布日期	1981.03.31
申请号	PL19780205018	申请日期	1978.03.02
申请人		发明人
分类号	C21D1/26;C21D1/48;C21D5/00;C21D9/08;(IPC1-7):C21D9/14	主分类号	C21D1/26
代理机构		代理人
主权项
地址

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