Drilldown: Patents

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Patents > Filing date: 1977 & Cites : Patent GB 460562A or Patent US 2922074A or Patent US 3331983A or Patent US 3558930A or Patent US 3629731A or Patent US 4048577A or None

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Inventors:
Bozidar Janko (2) · Conrad Odenthal (2) · Cornelis Teunis Veenendaal (2) · James A. Hill (2)
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