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Insulating gas underground substation leakage rate factory-sell-directly

US6859124B2 - Gas insulation transformer - Google Patents gas insulation transformer, in the tank of which transformer an apparatus including an iron core and a coil is received and a gas is filled as an insulating and cooling medium, is provided, wherein the iron core and coil are possessed with the loss characteristics equivalent to that of a high-efficient transformer and an inert gas, the global warming coefficient of which gas is rated 1 or ...

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