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DD295370A5
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Process for synthesis of (4,7-dialkyl-2-oxo-2h-chromen-6-yloxy) carbon acid hydrocides
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DD296203A5
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Extension device for the targeted relief of the spine
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DD294717A5
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Process for synthesis of substituted pyrazole-4-carbonsaeureal cylinders
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DD294287A5
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Method for fine cleaning waitring lithium salt solutions of erdalcaliions by ion exchangers with complex anodising groups
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DD294004A5
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Method for the separation and recovery of mercury and lead from highly mineralized grains
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DD294021A5
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Process for synthesis of 1- (4,7-dimethyl-2-oxo-2h-chromen-6-yloxyacetyl) -4-substituted -thiosemicarbazides
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DD291998A5
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Process for preparing unsaturated chinoxalin-2-ylketones
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DD292001A5
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Process for the preparation of benzo [b] fuer-2-ylchinoxalines
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DD291999A5
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Process for preparing 2- (pyrazol-3 (5) -yl) chinoxaline
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DD291759A5
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Process for synthesis of (4,7-dialkyl-2-oxo-2h-1-benzopyran-6-yloxy) carbon aces and ethers
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DD291547A5
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Process for synthesis of 2-amino benzylamine
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DD283135A5
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Process for synthesis of substituted 1,2,3,4-tetrahydrochinazolines
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DD282519A5
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Device for generating air trooms for the demonstration and study of flows
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DD282536A5
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Device for interrupting any, particularly extended, light current
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DD282560A5
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Circuit arrangement for saving video images for further processing in a microcomputer
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DD282244A5
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Method for obtaining nickel from nickel-containing iron vanadate
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DD298559A5
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Method for changing the specific resistance of metal oxide ceramics ii
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DD298560A5
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Process for changing the specific resistance of metal oxide ceramics i
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DD280041A1
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Kraftsporttrainingsgeraet
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DD298558A5
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Method for influencing the temperature resistance of metal oxide ceramic dyefaces
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