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Year of Publication 15.11.2016
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barra de aço para membro de fundo de poço e membro de fundo de poço
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Year of Publication 19.02.2019
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STEEL BAR FOR DOWNHOLE MEMBER AND DOWNHOLE MEMBER
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Year of Publication 04.01.2019
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Year of Publication 04.01.2019
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HIGH-STRENGTH STAINLESS STEEL FOR OIL WELL AND HIGH-STRENGTH STAINLESS STEEL PIPE FOR OIL WELL
AMAYA, HISASHI, OTOME, YOHEI, TAKABE, HIDEKI, KONDO, KUNIO, OHE, TARO
Year of Publication 06.03.2013
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Year of Publication 06.03.2013
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PROCESS FOR PRODUCING WELDED JOINT AND WELDED JOINT
TAKABE HIDEKI, MOTOYA DAISUKE, AMAYA HISASHI, HAMADA MASAHIKO, NAKATSUKA SHINJIRO, YAMADA KENTA
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Year of Publication 15.05.2015
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aço inoxidável martensítico para estruturas soldadas
Akira Taniyama, Kazuhiro Ogawa, Hisashi Amaya, Hideki Takabe, Masakatsu Ueda
Year of Publication 11.09.2018
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Year of Publication 11.09.2018
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Process for producing welded joint, and welded joint
AMAYA, HISASHI, YAMADA, KENTA, HAMADA, MASAHIKO, TAKABE, HIDEKI, MOTOYA, DAISUKE, NAKATSUKA, SHINJIRO
Year of Publication 02.04.2015
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Year of Publication 02.04.2015
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aço inoxidável dúplex e método de produção para o mesmo
HIROYUKI NAGAYAMA, KENTA YAMADA, MASAHIKO HAMADA, DAISUKE MOTOYA, HISASHI AMAYA
Year of Publication 04.09.2018
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Year of Publication 04.09.2018
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Welded structure having improved resistance to stress corrosion cracking
AMAYA, HISASHI, OAGAWA, KAZUHIRO, HIRATA, HIROYUKI, SAGARA, MASAYUKI, KONDO, KUNIO
Year of Publication 05.12.2012
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Year of Publication 05.12.2012
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