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Manfrid Dreher
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Engelsbrand, DT
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last 30 patents
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Patent Grant
Centrifugal drum polishing machine
Patent number
4,073,095
Issue date
Feb 14, 1978
Manfrid Dreher
B24 - GRINDING POLISHING
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Patent Grant
Drum polishing apparatus
Patent number
3,965,620
Issue date
Jun 29, 1976
Dr.-Ing. Manfrid Dreher KG apparatebau und chemisch Verfahrenstechnik fur Obe...
Manfrid Dreher
B24 - GRINDING POLISHING