Domestic gas-fired forced convection air heaters for space heating, with fan-assisted burners not exceeding a net heat input of 70 kW. The general technical requirements and test methods
Joints of tubes with tube-plates and collectors of heat exchangers. Requirements for typical technology of making tube to tube-plate joints by means of leads electrical explosion energy
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety and test methods. Part 2-5. Particular requirements for circular saws
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