P-xylylenediamide/diimide composite RO membranes
Package for permeation separation device
Polyurethane compositions
Porous ceramic filter
Porous polyethylene hollow fiber membrane of large pore diameter
Potting of tubular bundles in housing
Process for preparing hollow fiber separatory devices
Process for producing a hollow fiber mass transfer module and mo
Product and method for fastening soft porous tubes
Production of low-ethanol beverage by membrane extraction