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Machinery for crop protection. Spraying equipment. Test methods
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Gas-fired central heating boilers. Part 2-2. Specific standard for type B1 appliances
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Artificial intelligence technologies in education. Engagement identification algorithms in online learning. General provisions and test procedure
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Cylindrical helical compression springs of III class and of 3 category made of round steel. Main parameters of coils
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Quality round steel with special surface finish. Specifications
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