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PCE
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CPC Subgroup
G04C 23/46

with provision for adjustment of the interval (G04C23/44 takes precedence)

Full Title

Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00) > Mechanisms measuring a chosen time interval independently of the time of day at which interval starts > acting only at the end of a single time interval > with provision for adjustment of the interval (G04C23/44 takes precedence)