Drilldown: Patents

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Patents > Filing date: 1977 & Cites : Patent US 3740539A or Patent US 3753170A or Patent US 3796910A or Patent US 4322688A or None & Links : 7A15 or None

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