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Polyamides, polyamide fibres, fabrics, films. Determination of mass fraction of residual caprolactam and low-molecular compounds and their concentration of migration in water. Methods of liquid and gas-liquid chromatography
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Metal multilevel bellows for compensation. Types, general requirements
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Machining centres. Part 4. Accuracy and repeatability of positioning of linear and rotary axes
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Secondary cells and batteries containing alkaline or other non-acid electrolytes. Safety requirements for portable sealed secondary cells, and for batteries made from them, for use in portable applications. Part 1. Nickel systems
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