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US4142783A Reversible electrochromic display device having memory 失效
具有存储器的可逆电致变色显示装置

Reversible electrochromic display device having memory
摘要:
This invention is concerned with a reversible electrochromic display device wherein its electrochromic activity is derived from an electrochromic active molecules which are attached to a porous polymeric resin.
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