29 / | HD | METAL WORKING |
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
592.1 | DF | .~ Electrical device making {14} |
825 | DF | .~.~ Conductor or circuit manufacturing {8} |
868 | .~.~.~ Assembling elongated conductors, e.g., splicing, etc. {2} | |
869 | DF | .~.~.~.~> With end-to-end orienting {2} |
872 | DF | .~.~.~.~> With overlapping orienting {1} |