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Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds
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Non-metallic building materials, porous aggregates from dense rocks, porous, from industrial waste for concrete. Classification
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Machine tools. Environmental evaluation of machine tools. Part 5. Principles for testing woodworking machine tools with respect to energy supplied
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Dairy products. Determination of protein content by the Kjeldahl method
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