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Gas-blast circuit breaker
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Patent number 4,556,767
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Issue date Dec 3, 1985
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BBC Brown, Boveri & Company, Ltd.
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Walter Egli
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H01 - BASIC ELECTRIC ELEMENTS
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High-voltage power switch
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Patent number 4,486,632
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Issue date Dec 4, 1984
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BBC Brown, Boveri & Company, Limited
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Lutz Niemeyer
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H01 - BASIC ELECTRIC ELEMENTS
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Compression piston switch
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Patent number 4,431,878
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Issue date Feb 14, 1984
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BBC Brown, Boveri & Company, Limited
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Lutz Niemeyer
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H01 - BASIC ELECTRIC ELEMENTS
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Compressed-gas circuit breaker
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Patent number 4,420,662
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Issue date Dec 13, 1983
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BBC Brown, Boveri & Company Ltd.
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Lutz Niemeyer
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H01 - BASIC ELECTRIC ELEMENTS
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High voltage power switch
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Patent number 4,414,450
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Issue date Nov 8, 1983
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BBC Brown, Boveri & Company, Limited
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Rudolf Moll
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H01 - BASIC ELECTRIC ELEMENTS
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