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Digital display type diaphragm pressure gauge comprising a housing, a stud base, a diaphragm, a cylinder seat, and a conversion device
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Method and flow channel structure for uniform flow distribution of fuel cell wherein a single-line or multi-line circulation is adopted to make each flow channel have a uniform fluid flow and the voltage generated by the flow channel plate can reach the average value
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Improved flow channel plate structure of fuel cell stack which can produce Asclepius flow channel or Hermes flow channel to achieve the effect of reducing the manufacture cost