71620975
Nov 7, 1951
Oct 14, 1952
CERAMIC COATED EXHAUST STRUCTURES FOR INTERNAL COMBUSTION ENGINES-NAMELY, EXHAUST MANIFOLDS AND PARTS THEREFOR; AND FOR CERAMIC COATED ESSENTIALLY SHEET METAL JET ENGINE COMPONENTS-NAMELY, COMBUSTION CHAMBERS, LINERS, TRANSITION LINERS, FLAME SHIELDS, AND CROSS-OVER TUBES; AND FOR TURBOSUPERCHARGER NOZZLE BOXES AND PARTS THEREFOR
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