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AK Aktieselskabet Bruel & Kjaer: 1 patents #3 of 9Top 35%
Overall (All Time): #3,898,762 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4910838 Method for providing a desired sound field as well as an ultrasonic transducer for carrying out the method Morten Bo Jensen, Gitte Z. Olsen 1990-03-27