实时关键词
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Drill Collar
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Drill Collar

 Open this result in new window 2008年04月16日
Materials: Drill collars are manufactured from AISI 4145H modified steel, and are supplied in the" as rolled" surface finish condition.Alternative surface finishes can be provided. SPECIFICATION:Φ89mm~φ279mm Looking forward to your inquiry.
查看所有供求信息(5) DONGYING HAIXIN PETROLEUM EQUIPMENT CO. LTD [中国]
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