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3,545,563 Device for emitting acoustic Waves in Water. 水中发射声波的装置利用供给一个爆炸室和活塞两边的一个反向压力室的一个活塞和气缸装置,使两板强烈分离而实现在水中发射声波的方法和装置。供给上述反向压力室的一个压力使一板
3,545,563 Device for emitting acoustic waves in water Method and apparatus for transmitting sound waves in water by means of a piston and cylinder device for supplying an explosion chamber and an opposing pressure chamber on both sides of the piston to strongly separate the two plates . A pressure is supplied to the above reverse pressure chamber to make a plate