GOST 6343-1974 Telephones. Methods of measuring electroacoustic parameters
GOST R 50444-1992 Medical instruments, apparatus and equipment. General specifications
GOST R ISO 2859-1-2007 Statistical methods. Sampling procedures for inspection by attributes. Part 1. Sampling schemes indexed by acceptance quality limit for lot-by-lot inspection
GOST R 51024-2012 history
2012GOST R 51024-2012 Medical electronics hearing aids. Technical requirements and test methods
1997GOST R 51024-1997 Electronics hearing aids. General specifications