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 | .~.~ With means to compensate for relative marine vessel movement {2} | |
138.3 | DF | .~.~.~> Including means to sense position of marine vessel |
138.4 | DF | .~.~.~> Line tension control |