91 / | HD | MOTORS: EXPANSIBLE CHAMBER TYPE |
218 | DF | CYCLICALLY OPERABLE {34} |
330 | DF | .~ With independently operable means to move or means to adjust movement of distributor {1} |
331 | DF | .~.~ Means adjusts motion transmission from working member to distributor {3} |
332 | .~.~.~ Adjusting means comprises motor |