the elements being arranged in fan form

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Industry

CPC
G09B1/26

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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 G09B1/00Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways

Current Industry

G09B1/26the elements being arranged in fan form

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