G04D7/002 - CPC Classification Index

ClassID:

179644 ⎘

G04D7/002 - CPC Classification

Classification description:

Measuring, counting, calibrating, testing or regulating apparatus Electrical measuring and testing apparatus

Sub-classes:

TOWER CLOCK AND PROCEDURE FOR ITS OPERATION

Method for providing information about a mechanical wristwatch

Adjustment method of an atmos clock and detection system performing the same

METHOD FOR DETERMINING PARAMETERS FOR ADJUSTMENT OF THE WORKING OF A MECHANICAL WATCH

A METHOD FOR AUTHENTICATING A TIMEPIECE

Method and system for authenticating a timepiece

Method and system for authenticating using external excitation