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Dirk Bittner

BG Bergwerksverband Gmbh: 1 patents #90 of 243Top 40%
Overall (All Time): #4,050,090 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4378232 Method for production of acetylene Cornelius Peuckert, Herbert Baumann, Jurgen Klein, Harald Juntgen 1983-03-29