422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
939 | DD | CONTAINERS FOR THE PURPOSE OF RETAINING A MATERIAL TO BE ANALYZED [B01L 3/00C] {3} |
946 | DD | .~ With fluid transport, e.g., multi-compartment structure [B01L 3/00C6] {2} |
947 | .~.~ Using capillary action, including fluid transfer through absorbent matrix [B01L 3/00C6C] |