... UV Sterilizer 紫外线杀菌灯 timing sterilizer 定时失效器 pipette sterilizer 吸管消毒器 ...
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Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular, operation stable and maintenance easy.
将420B型煮沸消毒器的机械定时器改为电子定时器，并加装显示电路，使其定时直观、工作稳定、便于维修。
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