已收录 273512 条政策
 政策提纲
  • 暂无提纲
Tendências tecnológicas do uso do sisal em compósitos a partir da prospecção em documentos de patentes
[摘要] Natural fibers have increasing importance for developing sustainable products, sisal being one of the most important fibers for Brazil which is the largest producer in the world. This article deals with the temporal evolution and interest of enterprises a
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 化学工程(综合)
[关键词]  [时效性] 
   浏览次数:2      统一登录查看全文      激活码登录查看全文