29 / | HD | METAL WORKING |
700 | DF | MEANS TO ASSEMBLE OR DISASSEMBLE {55} |
771 | DF | .~ Means to interrelatedly feed plural work parts from plural sources without manual intervention {8} |
779 | .~.~ Running-length work {3} | |
780 | DF | .~.~.~> Means including orbiting running-length work supply |
781 | DF | .~.~.~> Pipe section |
782 | DF | .~.~.~> Assembled to article |