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Electrochromic flat panel display
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Transformable box
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DE19719403A1
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Disposal of rubbish dump seepage water
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DE19704562A1
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Forked holder for tooth-cleaning silk thread
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DE19610431A1
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Integrated waste treatment process separating coarse, light organic- and fine, heavy fractions by screening
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DE19603089A1
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Process for the treatment of contaminated material
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DE19534874A1
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Method of reducing or eliminating odours from refuse or compost
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DE19534875C1
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Insulating and structured material, e.g. for use in building roads and houses
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Immobilisation of inorganic substances, during waste disposal
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DE19502949A1
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Photovoltaic current generation plant
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Wind-powered electrical energy plant
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DE19502465A1
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Cleaning soil and material contaminated with poly:cyclic aromatic hydrocarbon(s)
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DE19502504A1
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Prodn. of soil improver from composted refuse or landfill material
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