Wheelchairs. Part 21. Requirements and test methods for electromagnetic compatibility of electrically powered wheelchairs and scooters, and battery chargers
Secondary cells and batteries containing alkaline or other non-acid electrolytes. Secondary sealed cells and batteries for portable applications. Part 2. Nickel-metal hydride
Trunk pipeline transport of oil and oil products. Pipeline valves. Calculation method of required hydraulic and cavitation characteristics of control valves for selection in automatic control systems
