GOST 12271-76

United power system and isolated power systems. Relay protection and automation. Collection, storage and automatic transfer to dispatch centers of files with recorded fault data. Norms and requirements

Steel. Method of atomic emission spectral analysis

Zink concentrates. Atomic absorption method for determination of copper, lead, cadmium, cobalt, iron, potassium, sodium, gold, silver, indium, calcium and magnesium

Floating cranes. Specifications

Automatic identification. Bar coding. Format Description for symbology specifications

Centrifuged reinforced concrete posts of annular section for industrial buildings and structures. Specifications