285 / | HD | PIPE JOINTS OR COUPLINGS |
FOR 100 | DF | SYSTEMS (285/120) {11} |
FOR 111 | DF | .~ Plural noncommunicating paths (285/131) {4} |
FOR 113 | DF | .~.~ Concentric (285/133.1) {2} |
FOR 115 | .~.~.~ With relative motion (e.g., drier drum type) (285/134) {1} | |
FOR 116 | DF | .~.~.~.~> Ball and socket (285/135) |