JPS54143341A - Blackboard - Google Patents
BlackboardInfo
- Publication number
- JPS54143341A JPS54143341A JP5040178A JP5040178A JPS54143341A JP S54143341 A JPS54143341 A JP S54143341A JP 5040178 A JP5040178 A JP 5040178A JP 5040178 A JP5040178 A JP 5040178A JP S54143341 A JPS54143341 A JP S54143341A
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- 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.)
- Pending
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5040178A JPS54143341A (en) | 1978-04-27 | 1978-04-27 | Blackboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5040178A JPS54143341A (en) | 1978-04-27 | 1978-04-27 | Blackboard |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54143341A true JPS54143341A (en) | 1979-11-08 |
Family
ID=12857837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5040178A Pending JPS54143341A (en) | 1978-04-27 | 1978-04-27 | Blackboard |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54143341A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4936647A (en) * | 1972-08-11 | 1974-04-05 |
-
1978
- 1978-04-27 JP JP5040178A patent/JPS54143341A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4936647A (en) * | 1972-08-11 | 1974-04-05 |
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