JPS6430325U - - Google Patents
Info
- Publication number
- JPS6430325U JPS6430325U JP12439987U JP12439987U JPS6430325U JP S6430325 U JPS6430325 U JP S6430325U JP 12439987 U JP12439987 U JP 12439987U JP 12439987 U JP12439987 U JP 12439987U JP S6430325 U JPS6430325 U JP S6430325U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- cap
- ventilation gap
- cap body
- plate
- 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
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12439987U JPH0437858Y2 (zh) | 1987-08-14 | 1987-08-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12439987U JPH0437858Y2 (zh) | 1987-08-14 | 1987-08-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6430325U true JPS6430325U (zh) | 1989-02-23 |
| JPH0437858Y2 JPH0437858Y2 (zh) | 1992-09-04 |
Family
ID=31374095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12439987U Expired JPH0437858Y2 (zh) | 1987-08-14 | 1987-08-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437858Y2 (zh) |
-
1987
- 1987-08-14 JP JP12439987U patent/JPH0437858Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0437858Y2 (zh) | 1992-09-04 |