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DD262591A1
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Filterduesenkombination
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DD263708A1
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Filterduesenkombination
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DD256453A1
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Filter dueses and method of manufacture
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DD254188A1
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Process for purifying membrane particles
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DD300751A7
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Process for the treatment of chemically and / or radically and / or bacteriologically contaminated surface water
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DD229983A1
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Method for dosing filter tools for anchor filters
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DD223185A1
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Device for preventing the formation of a closed ice blanket
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DD234570A3
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Device for storing, mixing and ph value adjustment or bzw. neutralization of chemically charged wastewater
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DD222280A1
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Device for switching and ph-value adjustment of chemically charged waste water
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HUT43338A
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Process for glueing of membrans and synthetic polymeric fibres by epoxide resin
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DD215521A1
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Method and device for preparing oil-emulsified wastewaters
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DD228955A3
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Experimental plant for water treatment according to the principle of reverse osmosis
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DD204111A1
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Spreading device for the treatment of semi-finished parts, components and finished products
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