Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes (model vehicles, tracks therefor, models in the nature of toys A63H)

Child Classifications

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• G09B 25/02 of industrial processes; of machinery
• G09B 25/04 of buildings
• G09B 25/06 for surveying; for geography, e.g. relief models (globes G09B27/00; maps G09B29/00)
• G09B 25/08 of scenic effects, e.g. trees, rocks, water surfaces (for stage purposes A63J1/00)