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Batch control system
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Patent number 4,719,574
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Issue date Jan 12, 1988
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Accurate Metering Systems, Inc.
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David W. Duback
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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3899386
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Patent number 3,899,386
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Issue date Aug 12, 1975
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C13 - SUGAR INDUSTRY
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3636753
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Patent number 3,636,753
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Issue date Jan 25, 1972
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C13 - SUGAR INDUSTRY