414 / | HD | MATERIAL OR ARTICLE HANDLING |
137.1 | DF | MARINE LOADING OR UNLOADING SYSTEM {14} |
137.9 | DF | .~ Marine vessel to marine vessel {6} |
138.2 | DF | .~.~ With means to compensate for relative marine vessel movement {2} |
138.3 | ![]() | .~.~.~ Including means to sense position of marine vessel |