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Helmut Nerling
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Worthsee, DE
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last 30 patents
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Patent Grant
Air density comparison control
Patent number
8,554,375
Issue date
Oct 8, 2013
delta green box Patent GmbH & Co. KG
Helmut Nerling
F24 - HEATING RANGES VENTILATING
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last 30 patents
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Patent Application
AIR DENSITY COMPARISON CONTROL
Publication number
20100161135
Publication date
Jun 24, 2010
Helmut Nerling
F24 - HEATING RANGES VENTILATING