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Information × Registration Number 0210U004273, 0110U001420 , R & D reports Title Ensuring of keeping and effciency of the state measuring primary standard of sound pressure unit in air medium popup.stage_title Head Pasko Eduard, Registration Date 11-05-2010 Organization State scientific-research institute of metrology of measuring and control systems popup.description2 Tthe permanent repair of the active acoustic chamber for small volume, that used for calibration of standard measurings microphones, have been carried out. The repair and the verification of commersial measuring equipent, that is part of the etalon, have been cаrried out Product Description popup.authors Старухін Юрий Миколаєвич Чалий Володимр Петрович Чобітко Ольга Володимирівна popup.nrat_date 2020-04-02 Close