73234743
Mar 31, 1980
Jun 26, 1984
Syntactic Foams Made of Synthetic Resins Used as Buoyancy Blocks for Undersea Vehicles and Buoys
ChemicalsExplosive Devices in the Nature of Submarine Pyrotechnics for Submarine Works-Namely, Signalling Systems, Distress Rockets; Sparklers; Explosive Bolts and Explosive Ejectors; Pyrotechnic Gas Generators for Use in Marine Recovery; Precision Explosive Systems for Underwater Applications, Punching, Assembling, Welding Elements; Pyrotechnic Cutting Cables; Pyrotechnic Shears; Pyrotechnic Cable Spreaders; Detonating Cords for Transmission or Cutting
Firearms