JPS61157761U - - Google Patents
Info
- Publication number
- JPS61157761U JPS61157761U JP4222385U JP4222385U JPS61157761U JP S61157761 U JPS61157761 U JP S61157761U JP 4222385 U JP4222385 U JP 4222385U JP 4222385 U JP4222385 U JP 4222385U JP S61157761 U JPS61157761 U JP S61157761U
- Authority
- JP
- Japan
- Prior art keywords
- air vent
- porous membrane
- utility
- scope
- hydrophobic porous
- 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
- 230000002209 hydrophobic effect Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4222385U JPS61157761U (cs) | 1985-03-22 | 1985-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4222385U JPS61157761U (cs) | 1985-03-22 | 1985-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61157761U true JPS61157761U (cs) | 1986-09-30 |
Family
ID=30552776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4222385U Pending JPS61157761U (cs) | 1985-03-22 | 1985-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61157761U (cs) |
-
1985
- 1985-03-22 JP JP4222385U patent/JPS61157761U/ja active Pending