GOST 13020.7-85

Acoustics. Procedures for the measurement of real-ear acoustical characteristics of hearing aids

Low-voltage electrical installations. Part 7-717. Requirements for special installations or locations. Mobil or transportable units

Communication support scoreboard. Design principles for communication support board using pictorial symbols

Explosionproof electrical apparatus. Part 12. Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents

Air transport. Safety management system of aviation activity. Safety management system of complex service providers. Safety management system manual of aviation activity designers of aviation equipment

Fresh large-sized plum and alycha. Specifications