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PCE
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CPC Subgroup
G04B 19/16

Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24

Full Title

Indicating the time by visual means ( by electric lamps G04C17/02; display arrangements in general G09F) > Dials ( for time-pieces without clockwork G04B49/04 ) > Shiftable dials, e.g. indicating alternately from 1 to 12 and from 13 to 24

2 direct subcodes

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