Unified tariff qualification reference book of works and professions of workers. Sections: "Foundry", "Welding", "Boiler, cold-forging, drawing and pressing", "Forge-pressing and thermal work", "Mechanical processing of metals and other materials", "Metal plating and painting", "Enameling", Locksmithing and assembly work "
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Metal covered electrodes for manual arc surfacing of upper layers with special properties types
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Metal covered electrodes, for manual arc welding of high-alloyed steels with special properties. Types
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Surfacing steal wire. Specifications
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Steel surfacing wire. Specifications
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Hand-operated arc-air torches
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Box-cars for 1520 mm gauge main line railways. General specifications
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Gas-discharge devices. General specifications
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Portal cranes for areas with moderate climate. General specifications
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Flanges with connecting protrusion of steel, flat welded for Pd from 1 to 25 kgf / cm square. Design, dimensions and technical requirements
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