GOST 9147-1980 Laboratory porcelain ware and apparatus. Specifications*, 2024-04-19 Update
GOST 12787-1981 history
2021GOST 12787-2021 Brewing products. Methods for determining the volume fraction of ethyl alcohol, the mass fraction of the actual extract and calculation of the initial wort extract
1981GOST 12787-1981 Methods for determination of spirit, actual extract and estimation of dry substances in the initial must