Russian standards

Textiles. Determination of resistance to water penetration. Hydrostatic pressure test

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Industrial gas-using equipment. Air heaters with air-flue gases mixing. General technical requirements

Document status: Cancelled

Bits for core exploratory drilling wells the big diameters. Types and main dimensions

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Water flow measurement in hydromelioration and water economics systems. Basic principles

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Water flow measurement in hydromelioration and water economics systems. Methods of water flow measurement. Classification

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Water flow measurement in hydromelioration and water economics system. Flow gauging structures. Classification

Document status: Active