TREA

Regular striking mechanisms giving the full hour, half hour or quarter hour

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Industry

  • CPC
  • G04B21/02
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 G04B21/00Indicating the time by acoustic means

Current Industry

G04B21/02Regular striking mechanisms giving the full hour, half hour or quarter hour
Industries