29 / | HD | METAL WORKING |
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
896.4 | .~ Jewelry or locket making {3} | |
896.41 | DF | .~.~> Human adornment device making {2} |
896.42 | DF | .~.~> Latch, clasp, or fastener component making |
896.43 | DF | .~.~> Ornamental stock making |