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GB534771A
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Improvements in volumetric liquid meters
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US2465997A
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Volumetric liquid meter
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US1788186A
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Metering device chiefly applicable to apparatus for the delivery of liquids
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US1904610A
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Automatic liquid measuring and delivering apparatus
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US1739437A
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Distributing device for liquids
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GB217555A
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Apparatus for the distribution in predetermined quantities of all liquids
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GB212895A
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Apparatus having a variable and adjustable outflow for the distribution of all liquids in measured quantities by volume
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