73 / | HD | MEASURING AND TESTING |
863 | DF | SAMPLER, SAMPLE HANDLING, ETC. {11} |
864 | DF | .~ Capture device {9} |
864.51 | DF | .~.~ Receptacle type {5} |
864.53 | DF | .~.~.~ Mold {4} |
864.55 | .~.~.~.~ With diminutive fill passageway {1} | |
864.56 | DF | .~.~.~.~.~> Mating sections {1} |