74575705
Sep 19, 1994
Feb 3, 1998
chemicals for carrying out wet, dry, thermal, and catalytic treatment of hazardous gases and liquids in the field of semiconductor wafer fabrication
Chemicalswet, dry, thermal, and catalytic scrubbers for the treatment of gaseous and liquid effluents from semiconductor manufacturing processes
Environmental Control Apparatusconstruction, installation, maintenance, and deinstallation of wet, dry, thermal, and catalytic scrubbers and scrubber chemicals for the treatment of gaseous and liquid effluents from semiconductor manufacturing processes
Building Construction and Repair