TREA

by luminescent substances

Follow

Industry

  • CPC
  • G04B19/32
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

G04B19/32by luminescent substances
Industries