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API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
PIDX Implementation Gudie for EDI Purchasing and Materials Management User Group
Standard published on 1.1.1996
Selected format:WITS - Wellsite Information Transfer Specification
Standard published on 1.7.1991
Selected format:A PIDX Implementation Guide for EDI Gas Flow User Group
Standard published on 1.7.1993
Selected format:MPMS Chapter 4-Proving Systems, Section 1-Introduction, Third Edition
Standard published on 1.2.2005
Selected format:MPMS Chapter 4-Proving Systems, Section 2-Displacement Provers, Third Edition
Standard published on 31.8.2003
Selected format:Proving Systems: Small Volume Provers
Standard published on 1.7.1988
Selected format:Proving Systems: Tank Provers
Standard published on 1.5.1998
Selected format:Proving Systems: Master-Meter Provers, Fourth Edition
Standard published on 1.6.2016
Selected format:MPMS Chapter 4.6: Pulse Interpolation
Standard published on 1.10.2021
Selected format:Field Standard Test Measures, Third Edition
Standard published on 1.4.2009
Selected format:Latest update: 2025-12-25 (Number of items: 2 253 105)
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