高卧东山 2007/03/03
抢先出手[em51] [img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=43418]D4789-03 Test Method for Solution Color of Bisphenol A (4,4`-Isopropylidenediphenol)[/url] [img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=43419]D6143-97 Test Method for Iron Content of Bisphenol A (4,4` - Isopropylidenediphenol)[/url]
wang2559 2007/03/03
[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=43432]ASTM D4617-03 Standard Classification System for Phenolic Compounds (PF)[/url]
端慎木渐 2007/03/02
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