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All Patents in class 123/90.12
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,384,701Sep. 11, 1945H. SchreckHydraulic Operating Unitinternal combustion engines
2,396,392Mar. 12, 1946H. SchreckHydraulic Operation of Mechanisminternal combustion engines
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