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Margareta Ascherfeld
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Oberursel, DE
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last 30 patents
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Patent Grant
Radiation detection and receiving in nondispersive infrared gas ana...
Patent number
4,373,137
Issue date
Feb 8, 1983
Hartmann & Braun Aktiengesellschaft
Walter Fabinski
G01 - MEASURING TESTING
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Patent Grant
Nondispersive infrared gas analyzer
Patent number
4,306,153
Issue date
Dec 15, 1981
Hartmann & Braun Aktiengesellschaft
Walter Fabinski
G01 - MEASURING TESTING