THREADED PIPE FRAMING BODY,申请号PL19800222141-传众专利搜索

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发明名称	THREADED PIPE FRAMING BODY
摘要
申请公布号	PL126167(B1)	申请公布日期	1983.07.30
申请号	PL19800222141	申请日期	1980.02.19
申请人		发明人
分类号	E21B;E21B33/04;F16L15/00;(IPC1-7):E21B33/04	主分类号	E21B
代理机构		代理人
主权项
地址

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