JPS641503U - - Google Patents
Info
- Publication number
- JPS641503U JPS641503U JP9600187U JP9600187U JPS641503U JP S641503 U JPS641503 U JP S641503U JP 9600187 U JP9600187 U JP 9600187U JP 9600187 U JP9600187 U JP 9600187U JP S641503 U JPS641503 U JP S641503U
- Authority
- JP
- Japan
- Prior art keywords
- footwear
- check valve
- opens
- pressure
- side check
- 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
- 238000009423 ventilation Methods 0.000 claims 1
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9600187U JPS641503U (da) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9600187U JPS641503U (da) | 1987-06-24 | 1987-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS641503U true JPS641503U (da) | 1989-01-06 |
Family
ID=30961248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9600187U Pending JPS641503U (da) | 1987-06-24 | 1987-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641503U (da) |
-
1987
- 1987-06-24 JP JP9600187U patent/JPS641503U/ja active Pending