X-ray devices. The method of the measuring of the time operation readiness of the device
Document status: Active
X-ray devices. The methods of measuring of heater current and heater voltage
Document status: Active
Gas-turbine engines. Determining direction of rotor and shaft rotation
Document status: Active
Combustible natural gases. Calculation method for determination of calorific value, specific gravity and Wobbe index
Document status: Withdrawn
