TREA

manually corrected at the end of months having less than 31 days

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Industry

  • CPC
  • G04B19/25346
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS G04B19/00Indicating the time by visual means

Current Industry

G04B19/25346manually corrected at the end of months having less than 31 days
Industries