| 新 | 标 题 | 悬赏分 | 发贴人 | 回复/阅读 | 回复人 | 更新时间 |
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各国专利局的专利代码简称. | feiyan | 7/2884 | wtianzhu | 2005-08-07 09:31:25 | |
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二氢硫辛酸的合成文献或专利 | 3 | feiyan | 3/808 | admin | 2005-06-19 17:08:34 |
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谁能提供酮戊二酸的合成文献或专利呀，急用！！！ | 3 | feiyan | 5/678 | admin | 2005-06-19 17:06:53 |
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求助：各位同仁那位有dictionary of organic compounds这本书的pdf版供大家分享 | 3 | feiyan | 3/1331 | hanhuang01 | 2005-05-28 22:19:42 |
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我请求加个投诉专栏 | feiyan | 6/491 | Zh-Paul | 2005-05-11 10:43:43 | |
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EP4有吗??? | feiyan | 4/697 | myroser | 2005-04-06 13:27:28 | |
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求文献一篇 | 3 | feiyan | 6/319 | bigfoot | 2005-03-31 19:19:50 |
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如何提高二巯基丙磺酸钠的含量？ | 3 | feiyan | 1/673 | feiyan | 2005-02-26 17:14:46 |