GOST 9206-80

Specification and qualification of welding procedures for metallic materials. Qualification based on previous welding experience

Explosive atmospheres. Part 10-1. Classification of areas. Explosive gas atmospheres

Information technology. Learning, education and training. Quality management, assurance and metrics. Part 1. General approach

Automobile roads of general use. Asphalt mixtures and asphalt concrete for road pabement. Design rules

Household and similar electrical appliances. Safety. Part 1. General requirements

Rectangular iron all-cast moulding boxes having inside dimensions: length from 1600 to 2000 mm, width 1000; 1200 mm, height from 200 to 400 mm. Construction and dimensions