Welding consumables. Solid wires, solid wire-flux and tubular cored electrode-flux combinations for submerged arc welding of non alloy and fine grain steels. Classification— 16 стр.
Domestic solid mineral fuel fired boilers with rated output up to 45 kW, Domestic solid mineral fuel fired boilers with rated output up to 45 kw. Specification for boilers with undergrate ash removal— 30 стр.
Domestic solid mineral fuel fired boilers with rated output up to 45 kW, Specification for gravity feed boilers designed to burn small anthracite— 30 стр.