moren 发表于 2014-4-27 21:41:13

求篇英文文献,大家帮忙下载一下

Process of p‑Xylene Production by Highly Selective Methylation of Toluene,我这边下载不了,大家帮帮忙

tdl522 发表于 2014-4-27 21:41:13

Process of p‑Xylene Production by Highly Selective Methylation of Toluene



jamesMMFRP 发表于 2014-4-27 21:41:13

去哪儿下载资料呢?
页: [1]
查看完整版本: 求篇英文文献,大家帮忙下载一下