TREA

Dot-and dash telegraphic codes

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Industry

  • CPC
  • G09B19/26
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G09Cryptography, education, displays G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE MODELS PLANETARIA GLOBES MAPS DIAGRAMS G09B19/00Teaching not covered by other main groups of this subclass

Current Industry

G09B19/26Dot-and dash telegraphic codes
Industries