ES21704Y - Replaceable school blackboard. - Google Patents
Replaceable school blackboard.Info
- Publication number
- ES21704Y ES21704Y ES0021704U ES21704U ES21704Y ES 21704 Y ES21704 Y ES 21704Y ES 0021704 U ES0021704 U ES 0021704U ES 21704 U ES21704 U ES 21704U ES 21704 Y ES21704 Y ES 21704Y
- Authority
- ES
- Spain
- Prior art keywords
- replaceable
- school blackboard
- blackboard
- school
- replaceable school
- 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.)
- Expired
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0021704U ES21704Y (en) | 1949-12-16 | 1949-12-16 | Replaceable school blackboard. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES0021704U ES21704Y (en) | 1949-12-16 | 1949-12-16 | Replaceable school blackboard. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES21704U ES21704U (en) | 1950-01-16 |
| ES21704Y true ES21704Y (en) | 1950-06-01 |
Family
ID=51085613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0021704U Expired ES21704Y (en) | 1949-12-16 | 1949-12-16 | Replaceable school blackboard. |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES21704Y (en) |
-
1949
- 1949-12-16 ES ES0021704U patent/ES21704Y/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES21704U (en) | 1950-01-16 |
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