State system for ensuring the uniformity of measurements. Measurements of the amount of extracted sub-soil oil and associated petroleum gas. General metrological and technical requirements
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Textile materials. Textile fabrics, non-woven fabrics and piece-articles. Methods for the determination of linear dimensions linear and surface density
Low-voltage switchgear and controlgear enclosed equipment. Part 1. Enclosed switch-disconnectors outside the scope of IEC 60947-3 to provide isolation during repair and maintenance work
€10
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