73194429
Nov 24, 1978
Jan 19, 1982
Resistance Heating Elements for Heating High Temperature Furnaces and Heat Exchangers
Environmental Control ApparatusBrakes for Aircraft and Automobiles and Aircraft Wings and the Like and Nozzles for Use in Rockets
VehiclesFabrics and Other Sheet-Like Forms of Textiles Essentially Composed of Carbon or Graphite Fibers
Fabrics