Russian standards PDF

Automated measurement systems for emissions and discharge accounting. Discharges of pollutants. Specifications

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Automatic emission and discharge control systems. Automatic control systems for pollutant discharges. Volumetric flow measurement subsystem. Technical requirements

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Automatic emission and discharge control systems. Automatic control systems for pollutant discharges. Sampling requirements

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Automatic emission and discharge control systems. Automatic control systems for pollutant discharges. Main requirements for design and working documentation

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Optics and photonics. Screws for optical instrument making. Design and dimensions

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Optics and photonics. Nuts for optical instrument making. Design and dimensions

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