The application and production process of pyromellitic dianhydride are presented,and the recycle and application of the waste in manufacture was emphasized.

 
  • 本文介紹了均苯四甲酸二酐的用途和生產(chǎn)過(guò)程,同時(shí)重點(diǎn)介紹了生產(chǎn)中廢料的回收利用。
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