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2640181
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Patent number 2,640,181
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Issue date May 26, 1953
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2480844
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Patent number 2,480,844
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2249099
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1436152
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER