29 / | HD | METAL WORKING |
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
402.01 | DF | .~ Repairing {5} |
402.09 | DF | .~.~ By attaching repair preform, e.g., remaking, restoring, or patching {4} |
402.14 | .~.~.~ Mechanically attaching preform by separate fastener {1} | |
402.15 | DF | .~.~.~.~> Screw threaded fastener |