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Information × Registration Number 0204U000438, 0103U005593 , R & D reports Title Ensuring of keeping and efficiency of the state measurement standard of sound pressure unit in air media 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 The package of measures was carried out for keeping and ensurring function of the standartd.The maintenance and the routine repair of the standard and the special rooms were fulfilled Product Description popup.authors popup.nrat_date 2020-04-02 Close