446 / | HD | AMUSEMENT DEVICES: TOYS |
176 | DF | OPERATED BY RELATIVELY MOVING FLUID OR PRESSURE DIFFERENTIAL {9} |
180 | DF | .~ Including variable-size fluid chamber to move fluid {5} |
188 | DF | .~.~ Sounding {5} |
192 | DF | .~.~.~ Including motive power means or hand manipulator for sounder {1} |
193 | .~.~.~.~ And bellows or bulb |