Search History Select to load keywords (dateIssued equals "[1957 TO 1999]") AND (subject equals "Polyethylene") AND (dateIssued equals "1999") AND (subject equals "โพลิเอทิลีน") AND (author equals "Pornpirom Moteplay") (author equals "ผุสตี ปริยานนท์") AND (author equals "รชตะ มณีอินทร์") AND (author equals "จิรารัช กิตนะ") AND (author equals "วิเชฏฐ์ คนซื่อ") AND (author equals "ภาณุพงศ์ ธรรมโชติ")
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