Electric welded longitudinal steel pipes. Technical requirements
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Electrically welded steel line-weld tubes. Technical requirements
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Seams of welded connections. Automatic and semi-automatic submerged arc welding. Basic types and structural elements (at a sharp and obtuse angle)
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Automatic and semiautomatic submerged arc welding. Acute and blunt weld joints. Main types, design elements and dimensions
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Devices for electric welding and plasma treatment
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Occupational safety standards system Electric welding works. Safety requirements
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Occupational safety standards system Electric welding works. Safety requirements
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Occupational safety standards system. Air breathing self-contained apparatus. General technical requirements and testing methods
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Occupational safety standards system. Personal eye and face protection equipment during welding and related processes. General specifications
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Single-operator rectifiers with falling external characteristics for arc welding. General specifications
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Arc welding of aluminium and aluminium alloys in inert gases. Welded joints. Main types, design elements and dimensions
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Welding wire and rods of copper and copper alloys. Specifications
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