Russian standards
Raw clay in the production of clay powders for drilling muds. Methods of determination of suspension properties
Document status: Active
Raw clay in the production of clay powders for drilling muds. Method of determination of beneficiation index
Document status: Active
External circuits for start-stop apparatus for alphabetic telegraphy, 5-element code. Types and basic parameters
Document status: Active
Vacuum switches and multiway switches for high-frequency current. Terms and definitions
Document status: Active