Belarus standards PDF
Acoustics Reference zero for the calibration of audiometric equipment Part 6- Reference threshold of hearing for test signals of short duration (ISO 389-6-2007). Original standard UNE-EN ISO 389-6-2008 in PDF full version. Additional info + preview on request
Document status: Active
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7- Reference threshold of hearing under free-field and diffuse-field listening conditions - Amendment 1- Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditions (ISO 389-7-2005/Amd 1-2016). Original standard UNE-EN ISO 389-7-2006 A1-2016 in PDF full version. Additional info + preview on request
Document status: Replaced by STB UNE-EN ISO 389-7-2021
Acoustics Reference zero for the calibration of audiometric equipment Part 7- Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7-2019). Original standard UNE-EN ISO 389-7-2021 in PDF full version. Additional info + preview on request
Document status: Active
Acoustics Reference zero for the calibration of audiometric equipment Part 9- Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9-2009). Original standard UNE-EN ISO 389-9-2010 in PDF full version. Additional info + preview on request
Document status: Active
Sintered metal materials, excluding hardmetals Fatigue test pieces (ISO 3928-2016). Original standard UNE-EN ISO 3928-2017 in PDF full version. Additional info + preview on request
Document status: Active
Dentistry Coupling dimensions for handpiece connectors (ISO 3964-2016). Original standard UNE-EN ISO 3964-2017 in PDF full version. Additional info + preview on request
Document status: Replaced by STB UNE-EN ISO 3964-1-2026