TREA

by feeling Clocks or watches for blind persons

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Industry

  • CPC
  • G04B25/02
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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 G04B25/00Indicating the time by other means or by combined means

Current Industry

G04B25/02by feeling Clocks or watches for blind persons
Industries