CH439819A - Lehrbuch - Google Patents
LehrbuchInfo
- Publication number
- CH439819A CH439819A CH1214465A CH1214465A CH439819A CH 439819 A CH439819 A CH 439819A CH 1214465 A CH1214465 A CH 1214465A CH 1214465 A CH1214465 A CH 1214465A CH 439819 A CH439819 A CH 439819A
- Authority
- CH
- Switzerland
- Prior art keywords
- textbook
- Prior art date
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
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
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)
- Electrically Operated Instructional Devices (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1214465A CH439819A (de) | 1965-08-26 | 1965-08-26 | Lehrbuch |
DE19661497724 DE1497724A1 (de) | 1965-08-26 | 1966-08-11 | Lehrbuch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1214465A CH439819A (de) | 1965-08-26 | 1965-08-26 | Lehrbuch |
Publications (1)
Publication Number | Publication Date |
---|---|
CH439819A true CH439819A (de) | 1967-07-15 |
Family
ID=4380302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1214465A CH439819A (de) | 1965-08-26 | 1965-08-26 | Lehrbuch |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH439819A (de) |
DE (1) | DE1497724A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2382727A1 (fr) * | 1977-03-02 | 1978-09-29 | Yamamoto Takeshi | Livre d'etude |
US5649826A (en) * | 1996-03-19 | 1997-07-22 | Sum Total, Inc. | Method and device for teaching language |
-
1965
- 1965-08-26 CH CH1214465A patent/CH439819A/de unknown
-
1966
- 1966-08-11 DE DE19661497724 patent/DE1497724A1/de active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2382727A1 (fr) * | 1977-03-02 | 1978-09-29 | Yamamoto Takeshi | Livre d'etude |
US5649826A (en) * | 1996-03-19 | 1997-07-22 | Sum Total, Inc. | Method and device for teaching language |
Also Published As
Publication number | Publication date |
---|---|
DE1497724A1 (de) | 1969-10-16 |
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