JPH01153997U - - Google Patents
Info
- Publication number
- JPH01153997U JPH01153997U JP4570088U JP4570088U JPH01153997U JP H01153997 U JPH01153997 U JP H01153997U JP 4570088 U JP4570088 U JP 4570088U JP 4570088 U JP4570088 U JP 4570088U JP H01153997 U JPH01153997 U JP H01153997U
- Authority
- JP
- Japan
- Prior art keywords
- pump chamber
- blackboard
- communication port
- handle
- elastic body
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 2
- 239000004745 nonwoven fabric Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Check Valves (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045700U JPH0435199Y2 (en:Method) | 1988-04-06 | 1988-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045700U JPH0435199Y2 (en:Method) | 1988-04-06 | 1988-04-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01153997U true JPH01153997U (en:Method) | 1989-10-24 |
| JPH0435199Y2 JPH0435199Y2 (en:Method) | 1992-08-20 |
Family
ID=31272003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988045700U Expired JPH0435199Y2 (en:Method) | 1988-04-06 | 1988-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435199Y2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361333B (zh) * | 2020-03-20 | 2021-06-22 | 威海海洋职业学院 | 一种教育用板书装置 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838936U (en:Method) * | 1971-09-10 | 1973-05-15 | ||
| JPS4958919A (en:Method) * | 1972-10-13 | 1974-06-07 | ||
| JPS523745U (en:Method) * | 1975-06-24 | 1977-01-11 | ||
| JPS52118040U (en:Method) * | 1976-03-04 | 1977-09-07 | ||
| JPS5338437U (en:Method) * | 1976-09-06 | 1978-04-04 |
-
1988
- 1988-04-06 JP JP1988045700U patent/JPH0435199Y2/ja not_active Expired
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4838936U (en:Method) * | 1971-09-10 | 1973-05-15 | ||
| JPS4958919A (en:Method) * | 1972-10-13 | 1974-06-07 | ||
| JPS523745U (en:Method) * | 1975-06-24 | 1977-01-11 | ||
| JPS52118040U (en:Method) * | 1976-03-04 | 1977-09-07 | ||
| JPS5338437U (en:Method) * | 1976-09-06 | 1978-04-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0435199Y2 (en:Method) | 1992-08-20 |