FR742919A - - Google Patents
Info
- Publication number
- FR742919A FR742919A FR742919DA FR742919A FR 742919 A FR742919 A FR 742919A FR 742919D A FR742919D A FR 742919DA FR 742919 A FR742919 A FR 742919A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/02—Counting; Calculating
Landscapes
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742919A true FR742919A (instruction) | 1933-03-18 |
Family
ID=1547250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742919D Expired FR742919A (instruction) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742919A (instruction) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4993952A (en) * | 1989-10-30 | 1991-02-19 | Lucky Star Enterprise Co., Ltd. | Arithmetic counter |
-
0
- FR FR742919D patent/FR742919A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4993952A (en) * | 1989-10-30 | 1991-02-19 | Lucky Star Enterprise Co., Ltd. | Arithmetic counter |