GOST 20458-2022

Household and similar electrical appliances. Safety. Part 2-104. Particular requirements for appliances to recover and/or recycle refrigerant from air conditioning and refrigeration equipment

Nature protection. Landscapes. Classification

Portable residual current devices without integral overcurrent protection for household and similar use (PRCDs). General requirements and test methods

Mechanical vibration. Balance quality requirements for rotors in a constant (rigid) state. Part 1. Specification and verification of balance tolerances

Nickel. Methods for the determination of cadmium

Bitumens and bituminous binders. Determination of mixing stability with cement