324 / | HD | ELECTRICITY: MEASURING AND TESTING |
200 | DF | MAGNETIC {24} |
207.11 | DF | .~ Displacement {7} |
207.13 | .~.~ Having particular sensor means {4} | |
207.14 | DF | .~.~.~> Diverse sensors |
207.15 | DF | .~.~.~> Inductive {1} |
207.2 | DD | .~.~.~> Hall effect |
207.21 | DF | .~.~.~> Magnetoresistive |