TREA

Time-pieces using the position of the sun, moon or stars

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Industry

  • CPC
  • G04B49/00
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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

Current Industry

G04B49/00Time-pieces using the position of the sun, moon or stars

Sub Industries

G04B49/02Sundials G04B49/04Graduation or shaping of dials
Industries