| G09B5/00 | Electrically-operated educational appliances |
|
Note(s) Group G09B 5/08 takes precedence over groups G09B 5/02-G09B 5/06. [2] |
Descriptions for G09B5/00 and notes/indexes are displayed on this screen.
Descriptions for G09B5/00 and notes/indexes are displayed on this screen.
| G09B5/00 | Electrically-operated educational appliances |
|
Note(s) Group G09B 5/08 takes precedence over groups G09B 5/02-G09B 5/06. [2] |