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Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 4. Valve-proving systems for automatic shut-off valves
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Through type Y pipe connections with a ball nipple. Design and basic dimensions
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Microbiology of food and animal feeding stuffs. Horizontal method for detection and enumeration of Campylobacter spp. Part 3. Semi-quantitative method
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Hard cutting materials. Classification and application. Designation of groups of application
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Trunk pipeline transport of oil and oil products. Composite compound and hermetic for composite sleeve repairs. General specifications
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System of products development and launching into manufacture. Development of single and small-scale production units assembled at the place of use
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