TY - GEN AU - Jinadasa, K. AU - Dr. Kamal Weerapperuma TI - The Effect of extruder screw and barrel wear on output in UPVC manufacture PY - 1990///] KW - CHEMICAL ENGINEERING - Dissertation KW - POLYMER TECHNOLOGY - Dissertation KW - MSc in Polymer Technology N1 - TH153 UR - http://dl.lib.mrt.ac.lk/handle/123/894 ER -