【200804010】求助专利文献2篇,感谢zhucan
第一篇作者：Komora, L.; Macho, V.; Sojka, J.; Polieva, M.; Palaczka,E.
文章名：Alpha-Hydroxy Carboxylic Acids, Their Nitrates, Alpha-Beta Unsaturated Acids, and (or) Their Esters.
专利：Ger. Offen.2144304, 1972.
第二篇
作者：Mercados Quimicos Industriales S. A.
文章名：Alpha-Beta Unsaturated Acids and Their Esters.
专利：Span. ES 515891, 1983.
请各位大虾帮忙，谢谢
[[i] 本帖最后由 scofield192 于 2008-4-10 19:00 编辑 [/i]] ES 515891
[url]http://g.zhubajie.com/urllink.php?id=15856200vhtwe4hbf7xyqa7[/url] Ger. Offen.2144304
[url]http://g.zhubajie.com/urllink.php?id=1585633q8khudx0yryoc9ca[/url]
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