73684272
Sep 15, 1987
Jun 14, 1988
INDUSTRIAL TOROIDAL THERMOPLASTIC PACKING USED AS TOWER PACKING, IN THE SCRUBBING OF AIR AND OTHER GASSES, FOR WATER TREATMENT, AND FOR INDUSTRIAL PROCESSES SUCH AS ABSORPTION, DESORPTION, DISTILLATION, RECTIFICATION, EXTRACTION, HUMIDIFICATION, AND HEAT TRANSFER
Rubber Goods