Satellite communication system 'Sputnik-A'. Framing structure, channel coding and modulation for digital satellite communication system. Specifications
Gas-fired central heating boilers. Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1000 Kw. Classification, requirements, test methods and marking
Gas tightness of equipment and apparatus for gas welding, cutting and applied processes. Permissible rates of external gas leakage and measuring procedures
€10
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