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DD293950A5
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Mobile recovery and / or weathering aggregate
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DD289786A5
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Procedure for the economic path
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DD289784A5
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Method and materials for obtaining collation-free tracks
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DD289740A5
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Layer bodies constituted by the mutual alloy of layers of different physical properties, and that contain, preferably, water-comprised materials
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DD270098A1
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Lateral textile erosion protection element
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DD268303A1
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Method and device for continuous moisture determination of the soil in a tropical drain process
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DD265656A1
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Method and device for slaging ponds, savings, absorbent lines and dgl. waters
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DD277373A3
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Device for the vertical installation of belt-formed textile drainage elements
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DD266707A3
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Fender for bucket support
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DD245691A1
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Device for installing textile rope as sickermeterial
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DD226469A1
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Method for the evaluation of agricultural and garden building areas
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DD227170A1
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Method and device for manufacturing with fleece or bzw. fibergled reinforced concrete
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DD220785A1
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Reinforced concrete plates, especially for road ceilings
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DD219014A3
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Device for filling tank vehicles, especially for guelle
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