METHOD OF PRODUCING A SLEEVE INTENDED FOR MAKING PIPES HAVING MULTILAYER WALLS,申请号PL19820239986-传众专利搜索

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发明名称	METHOD OF PRODUCING A SLEEVE INTENDED FOR MAKING PIPES HAVING MULTILAYER WALLS
摘要
申请公布号	PL130672(B2)	申请公布日期	1984.08.31
申请号	PL19820239986	申请日期	1982.12.30
申请人		发明人
分类号	B21C;B21C23/22;B22D11/04;(IPC1-7):B21C23/22	主分类号	B21C
代理机构		代理人
主权项
地址

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