CPC Main Group
G04G 9/00 Visual time or date indication means
9 direct subcodes
Child Classifications
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- G04G 9/02 by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
- G04G 9/08 by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques