73 / | HD | MEASURING AND TESTING |
760 | DF | SPECIMEN STRESS OR STRAIN, OR TESTING BY STRESS OR STRAIN APPLICATION {12} |
763 | DF | .~ Specified electrical sensor or system {6} |
774 | DF | .~.~ Specified sensor structure {5} |
775 | DF | .~.~.~ Bonded to specimen {1} |
776 | .~.~.~.~ Sensor comprises coating |