Adjustable reclining surface - has weighing cells detecting pressures on parts of surface
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Multi-unit separately-driven device for transportation - with e.g. two forward and two rearward units flanking central adjustable-speed unit
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Grid for articles to be produced graphically or by other methods
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Devices for the open-loop and closed-loop controlling of signals and information which are created, transmitted and/or reproduced by electrical means, electronic means and/or laser
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Method of producing products with endless surfaces, without edges, to form envelopes
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Vessels for liquids, for strengthening the effect of temperature differences
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Methods and apparatus for cleaning gases
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Process and apparatus for the electrolytic continuous direct production of refined aluminum and of aluminum alloys
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Improvements in levels and inclinometers
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Improved method of and apparatus for storing and transporting molten materials