Type multi-purpose gas-pressure relay
  QJ-40 type gas relay
  QJ2-40C type Multi-purpose gas-pressure relay
  QJ4-50C type Multi-purpose gas-pressure relay
  YWJ Tubular mode oil level meter
  YSF-35/25 Pressure release valve
  ZLZ-BWD3KSD type dry type transformer computer warm controls meter
  ZLZ-BWD3KTD type dry type transformer computer warm controls box

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