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经营范围
发明名称
THREADED JOINT FOR STEEL PIPES
摘要
申请公布号
EP1844255(A4)
申请公布日期
2008.05.21
申请号
EP20060700861
申请日期
2006.01.11
申请人
SUMITOMO METAL INDUSTRIES, LTD.
发明人
IMAI, RYUICHI;GOTO, KUNIO;TAKANASHI, KAORU;OGAWA, YASUHIRO
分类号
F16L15/04;C23C24/04;F16B33/06
主分类号
F16L15/04
代理机构
代理人
主权项
地址
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