Water removal and low temperature separation of hydrocarbon mixtures
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Process and device for the low-temperature rectification of gas mixtures
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Changeover valve for low temperature regenerators
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Mast for conveyer vehicles
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Method and device for generating a pure gas by separating condensable components from gas mixtures
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Hydrostatic drive for a vehicle axle
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Process for the production of pure propylene from a C and C hydrocarbon mixture by rectification
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Improvements in or relating to welding wires or electrodes and the production thereof
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From double-walled plate evaporators with pressed-in or hydraulically expanded refrigerant ducts existing evaporator insert for deep-freeze furniture and. like
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Multi-level, circulating air refrigerated shelf accessible from all sides
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Stuffing box packing in valves for aggressive gases, especially oxygen
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A process of and an apparatus for the purification of a gas or gas mixture
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Improvements in or relating to low-temperature apparatus
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Improvements in or relating to equipment for use at low temperatures
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Process for the desulphurisation of dry natural gas containing hydrogen sulphide
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Improvements in or relating to vehicles
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Process and device for the separation of carbon dioxide from compressed gases
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Improvements in or relating to tractors
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Improvements in or relating to combined hand and foot brake arrangements for motor vehicles
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Process and device for the enrichment of high-boiling substances during the decomposition of gas mixtures by low-temperature rectification
