GOST 12119.2-1998 Electrical steel. Methods of test for magnetic and electrical properties. Method for measurement of magnetic induction in permeameter
GOST 23737-1979 Electric resistance measures. General specifications
GOST 8711-1993 Direct acting indicating analogue electrical measuring inctruments and their accessories. Part 2. Special requirements for ammeters and voltmeters
GOST 12119.2-1998 history
1998GOST 12119.0-1998 Electrical steel. Methods of test for magnetic and electrical properties. General requirements
1980GOST 12119-1980 Electrical steel. Methods of test for magnetic and electrical properties