METHOD OF MANUFACTURING CLAD PIPES,申请号PL19790219937-传众专利搜索

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发明名称	METHOD OF MANUFACTURING CLAD PIPES
摘要
申请公布号	PL123869(B1)	申请公布日期	1982.12.31
申请号	PL19790219937	申请日期	1979.11.28
申请人		发明人
分类号	B21C;B21C1/22;(IPC1-7):B21C1/22	主分类号	B21C
代理机构		代理人
主权项
地址

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