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Battery electromotive force measuring and display device
Battery electromotive force measuring and display device
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机译:电池电动势测量显示装置
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摘要
This invention provides an apparatus for indicating the electromotive force of a dry battery which comprises: (i) a film base; (ii) an electrically conductive layer disposed on one side of the film base, (iii) a protective layer disposed on the electrically conductive layer, and (iv) a thermochromic layer disposed on the other side of the film base.
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