GOST 20337-74

Piezoelectric and electromechanical filters. Methods for measuring the parameters of the frequency response of attenuation and amplitude-frequency response

Shutters and blinds. Additional thermal resistance determination

Toggle switches. General specification

United power system and isolated power systems. Relay protection and network automation of autotransformers (transformers), shunt reactors, controlled shunt reactors, capacitor banks 110 kV and above. Functional requirements

Vacuum-enclosed prove tubes. Method of measurement of current of grid having positive potential with respect to cathode

Essential Oils. General guidance on chromatographic profiles. Part 2. Utilization of chromatographic profiles of samples of essential oils