29 / | HD | METAL WORKING |
592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
428 | DF | .~ Assembling or joining {21} |
505 | DF | .~.~ Joining by deforming {6} |
509 | .~.~.~ Overedge assembling of seated part {3} | |
510 | DF | .~.~.~.~> By necking in cup or tube wall {1} |
512 | DF | .~.~.~.~> By flaring inserted cup or tube end |
513 | DF | .~.~.~.~> By bending over projecting prongs |