TREA

Plotting boards

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Industry

  • CPC
  • G01C21/22
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Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C21/00Navigation Navigational instruments not provided for in preceding groups

Current Industry

G01C21/22Plotting boards
Industries