for physics

Full Title

Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes (in the nature of toys A63H) > for physics

Child Classifications

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• G09B 23/08 for statics or dynamics
• G09B 23/14 for acoustics
• G09B 23/16 for science of heat
• G09B 23/18 for electricity or magnetism
• G09B 23/20 for atomic physics or neucleonics
• G09B 23/22 for optics