GOST R IEC 61094-2-2011
State system for ensuring the uniformity of measurements. Measurement microphones. Part 2. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique

GOST R IEC 61094-2-2011 history

1970 GOST R IEC 61094-2-2011 State system for ensuring the uniformity of measurements. Measurement microphones. Part 2. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
2001 GOST R IEC 61094-2-2001 State system for ensuring the uniformity of measurements. Measurement microphones. Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique