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来自维基百科,自由的百科全书
欧洲化学品管理局(ECHA)[1]是欧洲联盟负责管理登记,评估,许可和限制化学品系统(REACH)的机构。设于芬兰赫尔辛基,2007年6月1日开始运作。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.