NL7201985A - - Google Patents
Info
- Publication number
- NL7201985A NL7201985A NL7201985A NL7201985A NL7201985A NL 7201985 A NL7201985 A NL 7201985A NL 7201985 A NL7201985 A NL 7201985A NL 7201985 A NL7201985 A NL 7201985A NL 7201985 A NL7201985 A NL 7201985A
- Authority
- NL
- Netherlands
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)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH45072 | 1972-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201985A true NL7201985A (xx) | 1973-07-17 |
Family
ID=4187304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201985A NL7201985A (xx) | 1972-01-13 | 1972-02-15 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4880097A (xx) |
| DE (1) | DE2206734A1 (xx) |
| ES (1) | ES181369Y (xx) |
| FR (1) | FR2167478A5 (xx) |
| IT (1) | IT947582B (xx) |
| NL (1) | NL7201985A (xx) |
-
1972
- 1972-02-12 DE DE19722206734 patent/DE2206734A1/de active Pending
- 1972-02-15 NL NL7201985A patent/NL7201985A/xx unknown
- 1972-02-15 FR FR7205021A patent/FR2167478A5/fr not_active Expired
- 1972-02-15 IT IT2059172A patent/IT947582B/it active
- 1972-02-23 JP JP1812072A patent/JPS4880097A/ja active Pending
- 1972-05-31 ES ES1972181369U patent/ES181369Y/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT947582B (it) | 1973-05-30 |
| ES181369Y (es) | 1974-03-01 |
| DE2206734A1 (de) | 1973-08-02 |
| FR2167478A5 (xx) | 1973-08-24 |
| JPS4880097A (xx) | 1973-10-26 |
| ES181369U (es) | 1973-03-16 |