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AN IMPROVED LIFTING DEVICE FOR PLOUGHS, CULTIVATORS AND OTHER AGRICULTURAL IMPLEMENTS IN WHICH THE MAIN FRAME IS RAISED AND LOWERED BY MEANS OF A CREANKED AXLE
AN IMPROVED LIFTING DEVICE FOR PLOUGHS, CULTIVATORS AND OTHER AGRICULTURAL IMPLEMENTS IN WHICH THE MAIN FRAME IS RAISED AND LOWERED BY MEANS OF A CREANKED AXLE
