Process and device to prevent condensation and diffusion of conveying media into the lubricating oil of a compressor, as well as for start-up relief, overpressure protection and power control, preferably in refrigeration systems
DE1452510A1
Method and device for the production of serpentine curved finned tube registers from cross-rolled finned tubes
DE1139748B
Seating furniture with adjustable backrest, especially for aircraft
CA800224A
Apparatus and process for the production of bent, serpentine-shaped finned pipe registers from cross-rolled finned pipes
