Heat pumps; ready to use heat pump units with internal combustion engine driven compressors; rating and performance testing of air/water heat pumps— 8 стр.
Refrigeration plant; safety principles for design, equipment and installation; safety devices in refrigeration plant for protection against unpermissible pressure stresses— 16 стр.
Measurement of fluid flow by means of orifice plates, nozzles and venturi tubes inserted in circular cross-section conduits running full (VDI-rules for measurement of fluid)— 62 стр.