Gas Insulated Switchgear and Gas Circuit Breaker
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United States of America Patent
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Issued Date -
Apr 30, 2009
app pub date -
Sep 12, 2006
filing date -
Sep 15, 2005
priority date (Note) -
Abandoned
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Abstract
substitute gas as an insulating gas and thus causes reduced environmental load while achieving high dielectric strength and excellent interrupting performance.I present at a pressure ratio of 15% or more
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