Threaded joint for steel pipes,申请号EG20040060251-传众专利搜索

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发明名称	Threaded joint for steel pipes
摘要
申请公布号	EG23564(A)	申请公布日期	2006.06.19
申请号	EG20040060251	申请日期	2004.06.05
申请人	SUMITOMO METAL INDUSTRIES LTD	发明人	SUGINO MASAAKI
分类号	E21B17/042;F16L15/04;F16L15/06;(IPC1-7):F16L9/12	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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