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标题: Absorbent composition containing severely-hin [打印本页]

作者: sanzhiguaiguai 时间: 2015-4-24 16:59
标题: Absorbent composition containing severely-hin

题名	Absorbent composition containing severely-hindered amine mixture for the absorption of H2 S
链接	http://www.google.com/patents/US4894178

作者: sogar 时间: 2015-4-24 16:59
http://1000eb.com/13yg9

作者: sogar 时间: 2015-4-24 16:59
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