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Information × Registration Number 0214U001413, 0113U007081 , R & D reports Title Carrying out of the comparisons of the national primary measuring standard for the sound pressure unit in the air medium, that presrved DP NDI "Systema" with national measuring standards of European states and international standards popup.stage_title Head Chalyy Voloymyr, Registration Date 12-02-2014 Organization State Еnterprise "Scitntific-Researsh Institute for Mеtrology of Measurement and Control Systems" popup.description2 International comparisons of state primary acoustic standard DETU 10-01-00 at low frequencies held. Its equivalence to the standards of advanced foreign countries proved Product Description popup.authors Борис Володимир Йосипович Дуверяк Дара Володимирівна Кізлівський Іван Григорович Костеров Олександр Олексійович Пасько Едуард Владимирович popup.nrat_date 2020-04-02 Close