470 / | HD | THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS |
164 | DF | MATERIAL SUPPLY FEEDER OR DISTRIBUTOR {7} |
168 | DF | .~ Nail plate feeder {4} |
170 | DF | .~.~ Having reverser {1} |
171 | .~.~.~ And gear {2} | |
172 | DF | .~.~.~.~> Rack and pinion |
173 | DF | .~.~.~.~> Segmental type |