Improvements in or relating to tower purifying plants
GB703143A
Improvements in or relating to electromagnetic brakes
GB719838A
Improvements in or relating to electrodes for electrolytic cells
GB699501A
Improved mould chains for metal casting machines
DE883743C
Process for the adsorption of gases and vapors by powdery adsorbents such as activated carbon or silica gel
DE888471C
Procedure for the automatic determination of hydrogen sulfide in gas mixtures containing SO
DE897839C
Pre-electrode for electrolysis cells
DE882695C
Process and device for the generation of noble steam for distillation, deodorization u. like purposes
DE855385C
Control and safety device for gas-fired devices
DE868649C
Arrangement of a display device for the wet closures used in gas preparation systems
DE877445C
Process and device for the adsorption of gases and vapors by powdery adsorbents such as activated carbon or silica gel, with subsequent desorption with circulation of the adsorbent
DE882694C
Method and device for carrying out a circulation of a heat transfer fluid in a closed circuit system
DE856030C
Device to avoid gas transfer from the raw gas to the clean gas side, especially in high-pressure gas cleaning systems
DE880780C
Process for the selective leaching of hydrogen sulfide in the presence of carbon dioxide from carbon distillation gases
DE891569C
Electromagnetic brake for AC operation
DE800246C
Electrically operated log winch
DE800244C
Rope pressure roller for rope drums to prevent rope entanglement when the rope is slack
DE871537C
Switch-on dynamometer for measuring and monitoring the torque in mechanical power lines
DE861992C
Process for regulating the cut in continuously operating fractionating columns
DE884356C
Process for the continuous electrolytic production of nitrogen pentoxide dissolved in nitric acid
