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| - Other examples of containers for use in mixing two fluids, such as oil and gas, include U.S. Pat. No. 4,819,833, which issued to Huddleston, et al. on Apr. 11, 1989 for ???Measuring, metering, and mixing can for gasoline and oil??? discloses a measuring, metering, and mixing can including gasoline and containers and a plunger-cylinder metering unit for withdrawing a selected amount of oil from the
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