72 / | HD | METAL DEFORMING |
293 | DF | BY USE OF NON-DEFORMING WORK-GRIPPING CLAMP AND RELATIVELY MOVABLE CLAMP, TOOL OR WORK-FORCER {9} |
316 | DF | .~ Clamp structure constitutes sole initial metal-deforming force-reaction means (i.e., is passive tool) {4} |
322 | .~.~ With die surface extending from clamp jaw {1} | |
323 | DF | .~.~.~> Plural die surface portions and coacting tools |