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HU1100409A2
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Wind generator with horisontal axis double rotors and two rotation's generator
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HU1100227A2
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Automatic torque converter for chain drive, particularly for bicycles
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Set for displaying surfaces of variable pattern and/or shape
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Water evaporator eliminating dust from air
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Spatial logical toy
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Driving mechanism expediently two-, three- or four-wheeled foot-driven children's toy vehicles
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HU902998D0
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Smoke filter for cigarettes
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HUT54761A
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Multiple-purpose hall of homogeneous structure and material mountable from shell-arch elements
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NL179548B
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Method for separating substances, and method for catalyzing reactions
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Porous silicon dioxide-based adsorbents for chromatography and processes for their manufacture
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CA982107A
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Process for the production of spherical, porous sio2-particles
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Stationary phase for selective sorption
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Chromatograph injection membrane mount
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GB1220552A
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Instruments for analysing or separating fluids
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GB1109660A
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Method and apparatus for effecting automatic control of the inlet pressure of a gaschromatograph column
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CA817611A
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Chromatographic column inlet control
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