CPC Main Group
G09B 23/00 Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes (in the nature of toys A63H)
8 direct subcodes
Child Classifications
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- G09B 23/02 for mathematics (for statics or dynamics G09B23/08)
- G09B 23/06 for physics
- G09B 23/24 for chemistry
- G09B 23/26 for molecular structures; for crystallography
- G09B 23/28 for medicine
- G09B 23/36 for zoology
- G09B 23/38 for botany
- G09B 23/40 for geology