702 / | HD | DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING |
FOR 134 | DF | MEASURING, TESTING, OR MONITORING (364/550) {3} |
FOR 155 | DF | .~ Operations performed (364/570) {11} |
FOR 156 | DF | .~.~ Calibration or compensation {3} |
FOR 157 | DF | .~.~.~ Having mathematical operation on initial measurement data (364/571.02) {4} |
FOR 160 | .~.~.~.~ Using difference involving initial measurement data (364/571.05) |