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DE3512696A1
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VALVE ARRANGEMENT
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PLUNGER PUMP
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PUMP, IN PARTICULAR HIGH PRESSURE PUMP FOR CONVEYING LIQUIDS
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HIGH PRESSURE PUMP
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Canned rotor pump for heating systems - has automatic valve controlling flow of lubricating water to prevent loss during venting
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DE2724173A1
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JET AND METHOD OF MANUFACTURING IT
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High pressure hot liquid pump piston - has radially expandable piston guide ring at least partly in recess of piston lip seal (DK 20.2.78)
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VALVE ARRANGEMENT
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DE2634379A1
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High pressure water pump - has crank driven reciprocal plunger with throttle valves controlling inlet and outlet
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DE2628985A1
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High pressure hot liq. pump piston - has wear resistant low friction guide ring on suction side of seal ring in annular piston groove
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