G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Landscapes
Engineering & Computer Science
(AREA)
Business, Economics & Management
(AREA)
Physics & Mathematics
(AREA)
Educational Administration
(AREA)
Educational Technology
(AREA)
General Physics & Mathematics
(AREA)
Theoretical Computer Science
(AREA)
Liquid Crystal Substances
(AREA)
Diaphragms For Electromechanical Transducers
(AREA)
Shielding Devices Or Components To Electric Or Magnetic Fields
(AREA)