Direct-flow valve plates for column-type devices. Options. Construction and main dimensions
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Pipes for use as casing or tubing and couplings for them. Basic parameters and inspection of thread connections. General technical requirements
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Casing and tubing pipes and couplings for them. Basic parameters and control of threaded connections. General technical requirements
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Gas distribution systems. Block gas delivery stations. Cabinet gas delivery stations. General technical requirements
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Gas distribution systems. Gas regulator units. Closet gas reducing units. General technical requirements
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Thread connections for casing, tubing, line pipe and thread gauges for them. General technical requirements
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Gas distribution systems. Gas reduction points. Basic Provisions
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Trunk pipeline transport of oil and petroleum products. Stationary booms for containment of oil and oil products spills. General technical conditions
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Main pipeline transportation of oil and oil products. Converter transformers for voltage 6 and 10 kV. General technical conditions
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Thread connections for casing, tubing and pipe-lines and thread gauges for them. General technical requirements
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Thread connections for casing, tubing, line pipe and thread gauges for them. General technical requirements
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Pipes for use as casing or tubing and couplings for them. Basic parameters and inspection of thread connections. General technical requirements
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