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EP0639685A1
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Strut for the stabilizing of the central element in a composite column
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Improving site conditions for city trees - by laying tree grid on concrete foundations
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Face-open plant container - consists of several connected ring elements
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Bar grating
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Deposit for harmful substances
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Protective covering for tree and/or root grids, and process for the production thereof
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Tending and/or restoring installation for trees
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Aeration and watering system for trees
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Method of texturing concrete surfaces
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DE3515959A1
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Synthetic brick or cut brick
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DE3506793A1
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Adapter for mounting tubular components in cases of tree grates
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DE3443811A1
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Pergola system
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DE3441098A1
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Aerating and watering system for trees
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