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Information × Registration Number 0204U000437, 0104U000438 , R & D reports Title The permanent metrological work "Providing of the reproducibility and preservation of the sound pressure unit in air media by means of the national standard" popup.stage_title Head Pasko Eduard, Registration Date 05-02-2004 Organization State scientific-research institute of metrology of measuring and control systems popup.description2 Yearly verification of the standard and investigation of its metrological charasteristics were made, a new algorithm for estimation of errors was developed and the package of measures for ensuring function of standard and its application was made. Product Description popup.authors popup.nrat_date 2020-04-02 Close