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Information × Registration Number 0207U005355, 0106U002401 , R & D reports Title Ensuring of keeping and efficiency of the state measurement primary standard of sound pressure unit in air medium popup.stage_title Head Pasko Eduard, Registration Date 04-04-2007 Organization State scientific-research institute of metrology of measuring and control systems popup.description2 The apartment for national standard was repaired with acoustic absorption material. The permanent repair of the high accuracy acoustic couplers for the YE -2П facility was conducted. The measurement devices was bought up Product Description popup.authors popup.nrat_date 2020-04-02 Close