GOST 7172-76

Photovoltaic module. Performance testing and energy rating. Part 2. Determination of spectral sensitivity, characteristics dependence on the incidence angle and coefficients for calculating the operating temperature

Carbide tipped counterbores for machining corrosion proof and heat-resisting steels and alloys. Design and dimensions

Occupational safety standards system. Respiratory protective devices. Masks. General specifications

Union elbows screwed for tube connections on internal cone. Construction and dimensions

Vessels and apparatus. Norms and methods of strength calculation under wind loads, seismic influence and other external loads

Electrically propelled road vehicles. Measurement of energy performances. Part 2. Hybrid vehicles