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B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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FR512394A1919-03-221920-03-26Perfectionnements aux presses du genre de celles qui servent à estamper les objets en métal
ExpiredFR512394A
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