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Information × Registration Number 0206U004565, 0105U003714 , R & D reports Title Ensuring of keeping and efficiency of the state measurement primary standard of sound pressure unit in air media popup.stage_title Head Pasko Eduard, Registration Date 02-03-2006 Organization State scientific-research institute of metrology of measuring and control systems popup.description2 The technical maintenance, routine repair and the periodical verification of standard apparatus and the means of measuring technique have carried out.The repair of the apartment, where national standard is located, and of the coupler sets have been fulfilled Product Description popup.authors popup.nrat_date 2020-04-02 Close