370 / | HD | MULTIPLEX COMMUNICATIONS |
464 | DF | COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS {9} |
498 | DF | .~ Combining or distributing information via time channels {17} |
503 | DF | .~.~ Synchronizing {6} |
516 | .~.~.~ Adjusting for phase or jitter {1} | |
517 | DF | .~.~.~.~> Including delay device {2} |