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Heat exchangers and method
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Patent number 4,266,603
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Issue date May 12, 1981
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BBC Brown, Boveri & Co., Ltd.
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Willy Germann
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F28 - HEAT EXCHANGE IN GENERAL
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Electrical lead-through apparatus
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Patent number 4,251,680
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Issue date Feb 17, 1981
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BBC Brown, Boveri & Company, Limited
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Willy Germann
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER