TREA

with hand-placed probe or plug

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Industry

  • CPC
  • G09B7/063
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 G09B7/00Electrically-operated teaching apparatus or devices working with questions and answers

Current Industry

G09B7/063with hand-placed probe or plug
Industries