414 / | HD | MATERIAL OR ARTICLE HANDLING |
137.1 | DF | MARINE LOADING OR UNLOADING SYSTEM {14} |
139.4 | DF | .~ Marine vessel to/from shore {11} |
139.6 | .~.~ With means to compensate for marine vessel movement {1} | |
139.7 | DF | .~.~.~> Including means to sense vertical position of marine vessel (e.g., draft, etc.) |