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ÎÒÈ·¶¨ÊǾ۱½ÃÑ£¨polyphenylene oxide, PPO£©
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polyprpylene oxide
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2Â¥2009-04-16 17:26:38
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zd3966700

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3Â¥2009-04-16 17:29:45
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zcphenix

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polyphenylene oxide
[color=red]http://emuch.net/bbs/viewthread.php?tid=1059826[/color]
4Â¥2009-04-16 17:34:53
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