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Ferdinand Bruss
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Wedemark, DE
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last 30 patents
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Patent Grant
Water aerating device or diffuser
Patent number
6,145,817
Issue date
Nov 14, 2000
Gummi-Jager KG GmbH & Cie
Andreas Jager
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE