968 / | HD | HOROLOGY |
748 | DD | MEASURING, COUNTING, CALIBRATING, TESTING, OR REGULATING APPARATUS (measuring devices and calibers in general G01B; counters in general H03K) [G04D 7/00] {11} |
754 | .~ Testing apparatus for complete clockworks with regard to external influences or general good working [G04D 7/00K] {3} | |
755 | DD | .~.~> With regard to the sealing of the case [G04D 7/00K2] |
756 | DD | .~.~> With regard to the reaction to shocks [G04D 7/00K3] |
757 | DD | .~.~> With regard to the functioning of the automatic winding-up device [G04D 7/00K4] |