| 73 / | HD | MEASURING AND TESTING |
|
| 53.01 | DF | LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15} |
| 61.41 |  | .~ Content or effect of a constituent of a liquid mixture {8} |
| 61.42 | DF | .~.~> Metallic particle constituent |
| 61.43 | DF | .~.~> Liquid constituent of a liquid mixture {9} |
| 61.62 | DF | .~.~> Depositing characteristic |
| 61.63 | DF | .~.~> Settling or filtering ability {2} |
| 61.71 | DF | .~.~> For measuring solid components (e.g., particles) {3} |
| 61.76 | DF | .~.~> By thermal measurement {1} |
| 61.78 | DF | .~.~> By pressure measurement |
| 61.79 | DF | .~.~> By vibration |