专利国别 | US |
专利名称 | SULFONATED XANTHENE DERIVATIVES |
专利号 | WO9915517 (A1) |
专利链接 | https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=19990401&CC=WO&NR=9915517A1&KC=A1 |
标准国别 | US |
标准类别 | WO |
标准名称 | SULFONATED XANTHENE DERIVATIVES |
标准号 | WO9915517 (A1) |
标准年份 | 1994 |
https://worldwide.espacenet.com/ ... &NR=9915517A1&KC=A1
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