CPC Subgroup
G04B 19/22 Arrangements for indicating different local apparent times; Universal time pieces
Full Title
Indicating the time by visual means ( by electric lamps G04C17/02; display arrangements in general G09F) > Arrangements for indicating different local apparent times; Universal time pieces
5 direct subcodes
Child Classifications
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- G04B 19/23 by means of additional hands or additional pairs of hands