GOST 21150-2017

Pneumatic tyres. General technical safety reguirements

Horse and cattle hair (raw material)

Fire equipment. Fire semi-rigid hoses. General technical requirements. Test methods

Petroleum fuel of gas turbines fuels. Determination content of sodium, potassium and calcium

Insulating materials based on mica. Definitions and general requirements

State system for ensuring the uniformity of measurements. Parameters of ultrasonic fields. General requirements to measuring methods and characterization of fields in the frequency range 0,5 to 40 MHz