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PATENT 2,530,139. 2 SHEETS-SHEET 1.

PATENT 2,530,139. 2 SHEETS-SHEET 2..jpg ThumbnailsPATENT 2,530,139. SHEET 2 OF 2.ThumbnailsPATENT 2,530,139. SHEET 2 OF 2.ThumbnailsPATENT 2,530,139. SHEET 2 OF 2.ThumbnailsPATENT 2,530,139. SHEET 2 OF 2.

AIRCRAFT ENGINE CONTROL PATENT HISTORY FOR 2021.