Casing and tubing pipes and boxes for them. Main parameters and inspection of thread connections. General technical requirements.
Трубы обсадные и насосно-компрессорные и муфты к ним. Основные параметры и контроль резьбовых соединений. Общие технические требования. |
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GOST 22387.4-77Gas for households and public utilities. Method … |