GOST 23785.7-89

Electromagnetic compatibility of technical equipment. Electromagnetic disturbance from technical equipment intended for use in residential, commercial and light-industry environments. Limits and test methods

Gas-fired central heating boilers. Additional requirements for the domestic water heaters jointly with boilers of nominal heat input not exceeding 70 kW

Vacuum equipment. Flange dimensions

Implants for surgery. Metal bone screws with asymmetrical thread and spherical under-surface. Mechanical requirements and test methods

Refractory materials and products. Methods for the determination of calcium oxide

Pulp and paper. Method for determination of tearing resistance (Elmendorf method)