Search History Select to load keywords (author equals "วิเชฏฐ์ คนซื่อ") AND (subject equals "กบ") AND (author equals "ขัตพันธุ์ จันทะวงษ์ศรี") AND (author equals "นพดล กิตนะ") AND (author equals "ปิ่นมนัส นนท์นา") (subject equals "Catalysts") AND (subject equals "Lubricating oils") AND (dateIssued equals "[2500 TO 2554]") AND (subject equals "Lubrication and lubricants")
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