JH

Johannes Gran Hirvioja

AA Abb Schweiz Ag: 1 patents #1,465 of 3,274Top 45%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10064260 Ground system for high voltage semiconductor valve Bjorn Sandin, Christer Sjöberg, Erik Doré 2018-08-28