73738657
Jul 7, 1988
Nov 14, 1989
POWER-OPERATED VIBRATION LIQUID STIRRERS, MECHANICAL FOAM SEPARATORS, POWER-OPERATED SIEVES
MachineryLABORATORY EQUIPMENT, NAMELY AERATORS, PERFUSORS, AND SEPARATORS FOR PARTICLE-BEARING LIQUIDS; CELL SEPARATORS AND CELL HARVESTERS; FERMENTATION CLEANERS AND FERMENTATION FILTERS
Electrical and Scientific ApparatusINDUSTRIAL FILTERING UNITS FOR SLURRY OR DRY RESIDUE DISCHARGE AND FOR WASTE TREATMENT
Environmental Control Apparatus