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Gas-insulated switchgear
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Patent number 8,878,092
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Issue date Nov 4, 2014
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Mitsubishi Electric Corporation
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Yoshinori Shimizu
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H01 - BASIC ELECTRIC ELEMENTS
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-
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Arc spinner interrupter
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Patent number 5,015,810
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Issue date May 14, 1991
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A. B. Chance Company
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David P. Eppinger
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H01 - BASIC ELECTRIC ELEMENTS
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Arc interrupter
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Patent number 4,980,528
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Issue date Dec 25, 1990
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Northern Engineering Industries plc
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James Spooner
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H01 - BASIC ELECTRIC ELEMENTS
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Arc spinner interrupter
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Patent number 4,980,527
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Issue date Dec 25, 1990
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A. B. Chance Company
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David P. Eppinger
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H01 - BASIC ELECTRIC ELEMENTS
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Arc interrupter
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Patent number 4,503,302
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Issue date Mar 5, 1985
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Northern Engineering Industries plc
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George F. Chrisp
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical switchgear
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Patent number 4,445,017
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Issue date Apr 24, 1984
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Brush Switchgear Limited
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John S. Stewart
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Electrical switchgear
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Patent number 4,409,446
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Issue date Oct 11, 1983
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South Wales Switchgear Limited
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John Parry
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical switchgear
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Patent number 4,355,219
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Issue date Oct 19, 1982
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South Wales Switchgear Limited
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John Parry
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical switchgear
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Patent number 4,301,340
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Issue date Nov 17, 1981
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South Wales Switchgear Limited
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John Parry
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H01 - BASIC ELECTRIC ELEMENTS
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Electrical switchgear
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Patent number 4,301,341
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Issue date Nov 17, 1981
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South Wales Switchgear Limited
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John Parry
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H01 - BASIC ELECTRIC ELEMENTS
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2820122
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Patent number 2,820,122
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Issue date Jan 14, 1958
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H01 - BASIC ELECTRIC ELEMENTS