156 / | HD | ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE |
1 | DF | METHODS {7} |
60 | DF | .~ Surface bonding and/or assembly therefor {93} |
91 | .~.~ With separate permanent mechanical joining means (riveted, sewed, stapled, etc.) {1} | |
92 | DF | .~.~.~> With penetrating of fastener {1} |