Russian standards
Ferrosilicon. Methods for the determination of calcium
Document status: Replaced by GOST 13230.8-93
Feed grain, grain by-products, compound feeds. Methods for determination of toxicity
Document status: Replaced by GOST 13496.7-97
Refractory silica products for electrical steel melting furnaces. Specifications
Document status: Replaced by GOST 1566-96