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URL http://science.yru.ac.th/chemistry2016/cat/%E0%B8%A0%E0%B8%B2%E0%B8%A3%E0%B8%81%E0%B8%B4%E0%B8%88%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%AB%E0%B8%99%E0%B9%88%E0%B8%A7%E0%B8%A2%E0%B8%87%E0%B8%B2%E0%B8%99~%E0%B8%AB%E0%B8%A5%E0%B8%B1%E0%B8%81%E0%B8%AA%E0%B8%B9%E0%B8%95%E0%B8%A3
Event ID 90300017
Event Type signature