Russian standards PDF

Explosive atmospheres. Part 29-4. Gas detectors. General technical requirements and test methods of open path detectors for flammable gases

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Vacuum technology. Standard methods for measuring vacuum-pump performance. Part 1. General description

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Vacuum technology. Standard methods for measuring vacuum-pump performance. Part 2. Positive displacement vacuum pumps

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Vacuum technology. Standard methods for measuring vacuum pump performance. Part 3. Specific parameters for mechanical booster vacuum pumps

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Vacuum technology. Standard methods for measuring vacuum pump performance. Part 4. Turbomolecular vacuum pumps

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Glass packaging. Glass. Hydrolytic resistance of glass grains at 98 °C. Method of test and classification

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