Russian standards
Protection of information. Protective automatically systems. Testing for stability to intentional power electromagnetic influence. General requirements
Document status: Active
Automatic and semiautomatic submerged arc welding. Acute and blunt weld joints. Main types, design elements and dimensions
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Gas-shielded arc welding. Welded joints. Main types, design elements and dimensions
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Threaded and flange pipe connections for PN to 63 MPa (to 630 kgf/cm2). General specifications
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Steel welded pipes for main gas-and-oil pipelines. Specifications
Document status: Active