00293nam a2200073Ia 4500008004100000100001400041245004600055260011800101220216s9999    xx            000 0 und d  aColombo U 0aExtrusion technology: Pin barrel extruder  bProceedings of the International Conference on Rubbers, Calcutta, December 12-14, 1997, Vol. II, pp. 89-94.c1997