TREA

Sharpening

Follow

Industry

  • CPC
  • G11B3/56
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B3/00Recording by mechanical cutting, deforming or pressing

Current Industry

G11B3/56Sharpening
Industries