The present invention is directed to {HEAD ~ a novel method} for extruding {TAIL ~ a honeycomb structure} 
for extruding
The present invention is directed to { HEAD ~ a novel method } for extruding { TAIL ~ a honeycomb structure }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL