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Household and similar electrical appliances. Safety. Part 2-40. Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
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Ductile iron and steel fittings with parallel thread for pipelines. Transition tees. Basic dimensions
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Nickel, nickel and copper-nickel alloys. Method for the determination of tungsten
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Fire alarm systems. Guidance on the design, installation, maintenance and repair. Performance test methods
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