| 228 / | HD | METAL FUSION BONDING | 
| 101 | DF | PROCESS {38} | 
| 141.1 | DF | .~ With shaping {7} | 
| 164 | DF | .~.~ Prior to bonding {4} | 
| 165 |  | .~.~.~ Forming channel, groove, or aperture for reception of filler material {3} | 
| 166 | DF | .~.~.~.~> Elongated seam | 
| 167 | DF | .~.~.~.~> Planar intersecting channel walls | 
| 168 | DF | .~.~.~.~> Annular seam {1} |