JPS57183189U - - Google Patents
Info
- Publication number
- JPS57183189U JPS57183189U JP7002981U JP7002981U JPS57183189U JP S57183189 U JPS57183189 U JP S57183189U JP 7002981 U JP7002981 U JP 7002981U JP 7002981 U JP7002981 U JP 7002981U JP S57183189 U JPS57183189 U JP S57183189U
- Authority
- JP
- Japan
- 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 |
|---|---|---|---|
| JP7002981U JPS57183189U (zh) | 1981-05-14 | 1981-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7002981U JPS57183189U (zh) | 1981-05-14 | 1981-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57183189U true JPS57183189U (zh) | 1982-11-20 |
Family
ID=29865875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7002981U Pending JPS57183189U (zh) | 1981-05-14 | 1981-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57183189U (zh) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930045B1 (zh) * | 1969-05-22 | 1974-08-09 | ||
| JPS5246943B2 (zh) * | 1973-12-22 | 1977-11-29 |
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1981
- 1981-05-14 JP JP7002981U patent/JPS57183189U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4930045B1 (zh) * | 1969-05-22 | 1974-08-09 | ||
| JPS5246943B2 (zh) * | 1973-12-22 | 1977-11-29 |