GOST R 8-937 : 2017

STATE SYSTEM FOR ENSURING THE UNIFORMITY OF MEASUREMENTS - NATIONAL STANDARD - STANDARD REFERENCE DATA - SEGNETOELECTRIC CERAMIC MATERIALS BASED ON NIOBATES OF SODIUM AND POTASSIUM - DIELECTRIC AND PIEZOELECTRIC CHARACTERISTICS AT TEMPERATURES FROM 0 DEGREES C TO 100 DEGREES C

Interstandard (Russia)