GOST 27850-88

Tubing and couplings. Specifications

Fiberglass-reinforced thermosetting plastic pipes and parts of pipelines. Methods for obtaining hydrostatic or pressure design basis

Explosion-proof electric equipment

Children’s diapers. General specifications

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power system. Shutdown fixation and condition fixation devices for transmission lines, electricity grid equipment and generation facilities. Norms and requirements

Knitted underwear for men and boys. General specifications