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Pipeline valves. Ball valves of thermoplastics materials. General specifications

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State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring relative dielectric constant at frequency 1-200 MHz

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Ferromanganese. Method for the determination of silicon content

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Resources saving. General approaches to the implementation of the principles of the circular economy in enterprises

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Petroleum and natural gas industries. Subsea production systems. Electrical systems. General provisions

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Control systems of ship`s equipment. Terms and definitions

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