EP3395972

SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL

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    EP einkaleyfi: Þýðing ekki lögð inn
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    26.12.2016
  • :
    24.11.2021
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    16879043.4
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    25.12.2036
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    SHAPED MATERIAL FOR DOWNHOLE TOOL MEMBER, DOWNHOLE TOOL MEMBER, AND DOWNHOLE TOOL

26.12.2016
24.11.2021
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    Kureha Corporation
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    3-3-2, Nihonbashi-Hamacho, Chuo-ku Tokyo 103-8552, JP
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    KOBAYASHI, Fuminori
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    Tokyo 103-8552, JP
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    OKURA, Masayuki
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    Tokyo 103-8552, JP
  • :
    TAKAHASHI, Takeo
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    Tokyo 103-8552, JP
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    2015255372
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    25.12.2015
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    JP
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    JP2016088681
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    26.12.2016
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    C22C 23/02, B21C 23/00, B22D 21/04, C22F 1/06, E21B 33/12, C22F 1/00