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Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 2. Arc welding of aluminium and its alloys
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Safety of household and similar electrical appliances. Part 2-89. Particular requirements for commercial refrigerating appliances with an incorporated or remote refrigerant unit or compressor
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Basic norms of interchangeability. Marks on the parts with the left thread
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Automobile roads of general use. Truck mounted attenuator. General specifications
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