29 / | HD | METAL WORKING |
700 | DF | MEANS TO ASSEMBLE OR DISASSEMBLE {55} |
709 | DF | .~ With control means energized in response to activator stimulated by condition sensor {4} |
711 | DF | .~.~ Multiple station assembly or disassembly apparatus {1} |
712 | .~.~.~ Including position sensor |