29 / | HD | METAL WORKING |
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
407.01 | DF | .~ With testing or indicating {4} |
407.02 | DF | .~.~ Torquing threaded assemblage or determining torque herein {1} |
407.03 | .~.~.~ Determining relative number of threaded member rotations |