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GB988932A
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Improvements in or relating to devices for delivering mixtures of two liquids
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GB937754A
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Improvements in and relating to devices for delivering mixtures of two liquids
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US3081000A
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Device for effecting simultaneous changing of the price and the composition of the mixture for use in pumps delivering a mixture of two liquids
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GB898355A
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Improvements in and relating to devices for delivering mixtures of two liquids
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US3022919A
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Apparatus for determining composition and price of a dispensed mixture
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US2914219A
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Apparatus for dispensing a mixture of two liquids in any continuously variable ratio
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GB834026A
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Improvements in and relating to apparatus for dispensing a mixture of two liquids in any desired ratio
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ES223011A1
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A differential device without gears (Machine-translation by Google Translate, not legally binding)
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US2848139A
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Mixing and dosage machine for two or more fluids
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