29 / | HD | METAL WORKING |
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
407.01 | .~ With testing or indicating {4} | |
407.02 | DF | .~.~> Torquing threaded assemblage or determining torque herein {1} |
407.04 | DF | .~.~> Using optical instrument (excludes mere human eyeballing) |
407.05 | DF | .~.~> Quantitative measuring or gauging {3} |
407.09 | DF | .~.~> With aligning, guiding, or instruction {1} |