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Daniel Fingerhut
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Denkte, DE
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last 30 patents
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Patent Grant
Sound absorber having helical fixtures
Patent number
8,312,962
Issue date
Nov 20, 2012
Deutsches Zentrum fur Luft-und Raumfahrt e.V.
Jörg Melcher
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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last 30 patents
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Patent Application
SOUND ABSORBER HAVING HELICAL FIXTURES
Publication number
20110308884
Publication date
Dec 22, 2011
Deutsches Zentrum für Luft-und Raumfahrt e.V.
Jörg Melcher
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES