• API 7NRV CHINESE : 2006

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    SPECIFICATION FOR DRILL STRING NON-RETURN VALVES

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    Withdrawn date:  03-02-2024

    Language(s): 

    Published date:  01-01-2006

    Publisher:  American Petroleum Institute

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    Document Type Standard
    Publisher American Petroleum Institute
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

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