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DD293069A5
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Tool for growing through-tubed tubes
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DD288098A5
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Self-cleaning filter device for extraction systems, especially on textile machines, for the separation of solid substances from an air or gas flow
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DD278962A1
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Device for ringing multiple walls of thousand pipes
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DD276440A1
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Device for growing pipes, preferably for producing a heat-conductive connection between heat transfer pipes and surface-engineering elements
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DD276441A1
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Method for producing a heat-conductive connection between heat transfer pipes and surface-enlarging elements
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DD264830A3
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Lamellenrohrwaermeuebertrager
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DD257924A3
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Pocket filter for filtering air or gas stroemes
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DD257923A3
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Bag filter
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DD257925A3
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Tensioning and cleansing device for pocket filter
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DD239464A1
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Device for defrosting bzw. drawers of a plate water transfer
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DD235427A1
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Method for producing a heat transfer
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DD235480A1
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FLAT PIPE heat exchanger
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DD229207A1
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Method and device for cleaning and / or depositing heat transmitters
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DD225774A1
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Method and device for defliting a plate water heater
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DD214672A1
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Lamellenwaermeuebertrager
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DD214537A1
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Method for manufacturing a lamella heat transfer
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DD212795A1
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Plate-formal heat transfer
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