TREA

Additional arrangements in connection with ordinary electric clocks for this purpose

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Industry

  • CPC
  • G04F3/08
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Parent Industries

GPHYSICS G04Horology G04FTIME-INTERVAL MEASURING G04F3/00Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms

Current Industry

G04F3/08Additional arrangements in connection with ordinary electric clocks for this purpose
Industries