414 / | HD | MATERIAL OR ARTICLE HANDLING |
137.1 | DF | MARINE LOADING OR UNLOADING SYSTEM {14} |
142.1 | DF | .~ By use of endless belt conveyor on marine vessel {1} |
142.2 | DF | .~.~ For "bulk" (e.g., granular, etc.) cargo {2} |
142.3 | .~.~.~ Belt extending parallel to marine vessel beneath cargo hold {1} | |
142.4 | DF | .~.~.~.~> Sequential endless belts |