475 / | HD | PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS |
207 | DF | NONPLANETARY VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH PLANETARY TRANSMISSION {6} |
210 | DF | .~ Nonplanetary transmission is belt or chain gearing {2} |
211 | DF | .~.~ Plural power paths to planetary gearing {1} |
212 | .~.~.~ Nonplanetary transmission is chain gearing |