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Zine oxide surge arresters
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Patent number 4,760,485
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Issue date Jul 26, 1988
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BBC Brown, Boveri & Company, Ltd.
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Niyazi Ari
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Phase shifter
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Patent number 4,661,763
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Issue date Apr 28, 1987
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BBC Brown, Boveri & Company, Limited
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Niyazi Ari
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G05 - CONTROLLING REGULATING