DE209511C - - Google Patents
Info
- Publication number
- DE209511C DE209511C DENDAT209511D DE209511DA DE209511C DE 209511 C DE209511 C DE 209511C DE NDAT209511 D DENDAT209511 D DE NDAT209511D DE 209511D A DE209511D A DE 209511DA DE 209511 C DE209511 C DE 209511C
- Authority
- DE
- Germany
- Prior art keywords
- bar
- strips
- pins
- bars
- teaching device
- Prior art date
- 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.)
- Active
Links
- 210000003128 head Anatomy 0.000 description 3
- 210000001331 nose Anatomy 0.000 description 2
- 241000854350 Enicospilus group Species 0.000 description 1
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
- G09B15/00—Teaching music
- G09B15/02—Boards or like means for providing an indication of notes
- G09B15/04—Boards or like means for providing an indication of notes with sound emitters
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE209511C true DE209511C (enrdf_load_stackoverflow) |
Family
ID=471474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT209511D Active DE209511C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE209511C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193351A (en) * | 1992-02-28 | 1993-03-16 | Spx Corporation | Refrigerant recovery and purification system |
| US5357768A (en) * | 1987-10-19 | 1994-10-25 | Steenburgh Leon R Jr | Refrigerant reclaim method and apparatus |
-
0
- DE DENDAT209511D patent/DE209511C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357768A (en) * | 1987-10-19 | 1994-10-25 | Steenburgh Leon R Jr | Refrigerant reclaim method and apparatus |
| US5193351A (en) * | 1992-02-28 | 1993-03-16 | Spx Corporation | Refrigerant recovery and purification system |