Search History Select to load keywords (subject equals "Polyethylene") AND (subject equals "โพลิเอทิลีน") AND (subject equals "ยาง") AND (subject equals "โพลิเมอร์ผสม") AND (subject equals "Maleic anhydride") AND (subject equals "Rubber") (dateIssued equals "[1996 TO 1999]") AND (dateIssued equals "1999") AND (subject equals "Polymerization") AND (subject equals "โพลิเมอไรเซชัน") AND (author equals "Chalermphol Wongdithnan")
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