73220498
Jun 21, 1979
Jun 22, 1982
Compressors for Air and Other Gases and Parts Therefor; Separators; Automatic Condensate Separator and Drain for Gas/Liquid; and Liquid Pumps
MachinerySeismic Sound Source-Namely, Air Gun Used in Deep Ocean Seismic Explorations
Electrical and Scientific ApparatusHeat Exchanger for Gas/Liquid Applications Particularly for Removal of Heat from Gases in High Pressure Gas Systems
Environmental Control Apparatus