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Patents
Horology Patents
Measuring, Counting, Calibrating, Testing, Or Regulating Apparatus (measuring Devices And Calibers In General G01b; Counters In General H03k) [g04d 7/00] Patents
Timing Devices For Clocks Or Watches For Comparing The Rate Of The Oscillating Member With A Standard (supporting Devices For Clocks With Built-in Recording Apparatus Subclass 681; Measuring Short Time Intervals Subclass 844; Frequency Measuring In General H04b, G01r) [g04d 7/12] Patents
Only For Measuring [g04d 7/12b] Patents (Class 968/770)
Only For Measuring [g04d 7/12b] Patents (Class 968/770)
Cross-Reference Art Collections
For complete clockworks [g04d 7/12b2] (Class 968/771)
With recording, e.g., vibrograph, etc. [G04D 7/12B2B] (Class 968/772)
Devices for facilitating the reading or the interpretation of the recording [G04D 7/12B2B2] (Class 968/773)
For the control mechanism only found from outside the clockwork [g04d 7/12b3] (Class 968/774)
For measuring amplitude [G04D 7/12B3B] (Class 968/775)
For measuring frequency [G04D 7/12B3C] (Class 968/776)
There are no patents to show for this class.