Registration number (WIID)Project No.TitleStatus
53779EN 61094-1:1994Measurement microphones - Part 1: Specifications for laboratory standard microphonesAtcelts
50092EN 61043:1994Electroacoustics - Instruments for the measurement of sound intensity - Measurement with pairs of pressure sensing microphonesIzstrādē
50413EN 61027:1993Instruments for the measurement of aural acoustic impedance/admittanceAtcelts
49915EN 61012:1998Filters for the measurement of audible sound in the presence of ultrasoundIzstrādē
42183EN 60942:2003Electroacoustics - Sound calibratorsAtcelts
49164EN 60942:1998/A1:2001Electroacoustics - Sound calibratorsAtcelts
56707EN 60942:1998Electroacoustics - Sound calibratorsAtcelts
49385EN 60804:2000Integrating-averaging sound level metersAtcelts
57705EN 60804:1994/A2:1994Integrating-averaging sound level metersAtcelts
46741EN 60804:1994Integrating-averaging sound level metersAtcelts
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