73206457
Mar 7, 1979
Jun 2, 1981
PNEUMATICALLY DRIVEN CONTROLS AND REGULATING INSTRUMENTS IN FILTRATION PROCESSES IN THE BIOCHEMICAL, PHYSICAL, CHEMICAL AND NUCLEAR POWER INDUSTRIES WHICH INVALVE SEMI-AUTOMATIC CONTROLS, PILOT VALVES, FULLY AUTOMATIC CONTROLS, FERMENTATION APPARATUS AND APPARATUS OF COMPUTERIZATION IN THE FIELD OF FERMENTATION TECHNALOGY
Electrical and Scientific ApparatusINDISTRIAL FILTERING UNITS FOR SLURRY OR DRY RESIDUE DISCHARGE AND FOR WASTE TREATMENT
Environmental Control Apparatus