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Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese. Methods of sampling and sample preparation for chemical and physical-chemical analyses
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Knitted garments and fabrics. Norms of colour fastness and methods of determination
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Safety of laser products. Part 17. Safety aspects for use of passive optical components and optical cables in high power optical fibre communication systems
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