DD70197A - - Google Patents
Info
- Publication number
- DD70197A DD70197A DD70197DA DD70197A DD 70197 A DD70197 A DD 70197A DD 70197D A DD70197D A DD 70197DA DD 70197 A DD70197 A DD 70197A
- Authority
- DD
- German Democratic Republic
Links
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD70197A true DD70197A (en) |
Family
ID=260602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD70197D DD70197A (en) |
Country Status (1)
| Country | Link |
|---|---|
| DD (1) | DD70197A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2346972A1 (en) * | 1973-09-18 | 1975-03-27 | Benno Barz | Multilayer display board - has frame covered with plywood sheet steel and cork to form support for drawings |
-
0
- DD DD70197D patent/DD70197A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2346972A1 (en) * | 1973-09-18 | 1975-03-27 | Benno Barz | Multilayer display board - has frame covered with plywood sheet steel and cork to form support for drawings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2346972C2 (en) | Multi-layer scoreboard for teaching and demonstration purposes | |
| DE1982315U (en) | WORKBOARD FOR ELEMENTARY SCHOOL. | |
| DD70197A (en) |