Tube of submarine having returning compress unit and it using underwater weapon launch method
Opening and shutting valve of submarine weapon launch and it using method of weapon launch
WATER PISTON TYPE WEAPON FIRING APPARATUS AND WEAPON FIRING VELOCITY CONTROL METHOD USING THE SAME
SUBMARINE WEAPON FIRING SYSTEM AND METHOD USING GAS GENERATOR
Energy saving hydraulic winch apparatus using accumulator
UNMANNED TUGGING SYSTEM AND TUGGING METHOD USING THE SAME
The apparatus of torpedo launching using water ram type