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Road vehicles. Fuel systems for supply of compressed gaseous hydrogen (CGH2) or hydrogen/natural gas mix. Part 2. Test methods

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Noise of machines. Determination of sound power levels using sound pressure. Comparison method in situ

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Haberdashery woven, knitted, twisted metric and piece articles. Marking and primary packing

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Foodstuffs of processed domestic poultry eggs. Methods for physicochemical analysis

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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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Gauges for bevel gears and gear pairs. Types. Basic parameters. Accuracy limits

Document status: Active