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DD294727A5
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Testing and preservation soel with improved wear protection behavior
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DD294273A5
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Method for controlling selective inferation facilities for mineral oils
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DD293364A5
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Waermepumpenoele
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DD300449A5
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Corrosion protection oils with limited flowability in thin layers
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DD300974A7
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Process for the preparation of zinc dialkyl dithiophosphates
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DD291334A5
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Method for the hydrocatalytic high pressure treatment of heavy oil hydrocarbons
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DD291333A5
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Method for hydroraffining aromatinated light oils from coal preparation
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DD291573A5
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Method for the catalytic high-pressure hydration of tears and teroels
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DD289054A5
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Method for producing polymodied bitumenes
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DD289077A5
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Bituminoeser building protective
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DD289082A5
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Roof and sealing
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DD289051A5
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Formable bituminoesis for joint and flake sealing
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DD289056A5
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Method for producing an adhesive
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DD289053A5
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Cation active emulsion
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DD289052A5
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Formula for sealing construction plants
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DD289078A5
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Emulsion for building protection purposes
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DD289070A5
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Method for producing an asphalt for roadwork use
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DD289060A5
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Turbine lubricant
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DD285983A5
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Process for preparing borous polymer
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DD299534A5
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Process for additiving lubricants -ii-
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