| 422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
| 935 | | FLUID TRANSFERRING GLASSWARE [B01L 3/00B] {3} |
| 936 | DD | .~> Tubes; conduits [B01L 3/00B2] |
| 937 | DD | .~> Joints; seals [B01L 3/00B4] |
| 938 | DD | .~> Stopcocks; valves [B01L 3/00B6] |