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Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 20, 2009
Patent Application Number
10495790
Date Filed
November 14, 2002
Patent Primary Examiner
Patent abstract
A hydrogen sensor 25 has a fitting base plate 29 in which a gas-sensing chamber 34 is formed, a specimen gas intake 35 formed on said fitting base plate 29, opening toward an exit passage 24 and introducing hydrogen gas into the gas-sensing chamber 34, a gas-sensing element 39 held in the gas-sensing chamber 34 and adapted to sense hydrogen gas, and a water-repelling filter 44 covering the specimen gas intake 35.
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