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DD240786A1
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Sensitized light-sensitive material
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DD240390A1
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Method for producing emulsifier tools
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DD239114A1
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Device for choledocholithiasis operations
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DD236317A1
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Process for the preparation of 1,2,5,7-tetrathiapentalene-3,6-dion
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DD236096A1
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Process for the preparation of 5,6,7,8-tetrahydropyrido / 4 ', 3': 4,5 / thieno / 2,3-d / pyrimidin-4 (3h) -onee
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DD235736A1
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Hygrometers, especially for measuring quickly changing gas humidifies
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DD229909A1
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Containers for the transport and distribution of foods
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DD231491A1
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Method for producing stabilizable, non-transferrant bacterial vaccines
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DD225245A1
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Circuit arrangement for the energy saving of digital advertising
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DD218834A1
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Method for enriching bacterial mutanes with changed performance parameters
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