EP  0,425,252 B1 <br/>
Metal oxide porous ceramic membranes with small pore sizes. 

 -  Oct. 23, 1990 
<br/><br/><label>Subjects--Local Terms: </label><br/>CERAMIC MEMBRANES <br/>POROUS CERAMICS <br/>FILTER <br/>METAL OXIDE CERAMIC 
<br/><br/><label>Call Number: </label>EP 0,425,252 B1