GOST 26957-86

Reciprocating internal combustion compression-ignition engines. Apparatus for measurement of the opacity and for determination of the light absorption coefficient of exhaust gas

Cryogenic equipment. Liquid hydrogen transportation and storage systems. General requirements for operation

Sealing devices for radial reciprocating joints. Construction and dimensions

State system for ensuring the uniformity of measurements. National standard. Standard reference data. Optically transparent materials based on CaLa2S4 – La2S3. Thermal conductivity in the temperature range from 80 K to 400 K

Liquid dielectrics. Sampling

High voltage test techniques. Partial discharge measurements