73738656
Jul 7, 1988
Nov 27, 1990
LABORATORY EQUIPMENT, NAMELY AGITATORS FOR PARTICLE-BEARING PRODUCTS; AERATORS FOR PARTICLE-BEARING LIQUIDS FOR USE IN THE FERMENTATION OF LIQUIDS
Electrical and Scientific ApparatusINDUSTRIAL FILTERING UNITS FOR SLURRY OR DRY RESIDUE DISCHARGE AND FOR WASTE TREATMENT
Environmental Control Apparatus