| 228 / | HD | METAL FUSION BONDING |
| 101 | DF | PROCESS {38} |
| 126 | DF | .~ Encasing a rodlike core within a substantially coextensive tube by complete bonding therebetween {4} |
| 131 | DF | .~.~ By fitting rodlike core within tube {1} |
| 132 | DF | .~.~.~ Joining through filler {2} |
| 133 | ![]() | .~.~.~.~ Preplacing solid tubular filler |