TREA

with means to enhance sound transmission

Follow

Industry

  • CPC
  • G04B37/0075
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 G04B37/00Cases

Current Industry

G04B37/0075with means to enhance sound transmission
Industries