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Multiple rate meter
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Patent number 4,081,746
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Issue date Mar 28, 1978
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Westinghouse Electric Corporation
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Carl J. Snyder
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G01 - MEASURING TESTING
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3842348
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Patent number 3,842,348
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Issue date Oct 15, 1974
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G01 - MEASURING TESTING
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2573407
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Patent number 2,573,407
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Issue date Oct 30, 1951
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G01 - MEASURING TESTING
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1792016
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Patent number 1,792,016
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Issue date Feb 10, 1931
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G01 - MEASURING TESTING
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1596410
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Patent number 1,596,410
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Issue date Aug 17, 1926
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G01 - MEASURING TESTING
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1576158
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Patent number 1,576,158
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Issue date Mar 9, 1926
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G01 - MEASURING TESTING
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1453441
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Patent number 1,453,441
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Issue date May 1, 1923
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G01 - MEASURING TESTING