JPH02122032U - - Google Patents
Info
- Publication number
- JPH02122032U JPH02122032U JP3167589U JP3167589U JPH02122032U JP H02122032 U JPH02122032 U JP H02122032U JP 3167589 U JP3167589 U JP 3167589U JP 3167589 U JP3167589 U JP 3167589U JP H02122032 U JPH02122032 U JP H02122032U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- outside air
- air introduction
- cover
- holes
- 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
- 239000000758 substrate Substances 0.000 claims description 2
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989031675U JPH0634336Y2 (ja) | 1989-03-20 | 1989-03-20 | ヘルメットにおける外気導入孔開閉装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989031675U JPH0634336Y2 (ja) | 1989-03-20 | 1989-03-20 | ヘルメットにおける外気導入孔開閉装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02122032U true JPH02122032U (th) | 1990-10-04 |
JPH0634336Y2 JPH0634336Y2 (ja) | 1994-09-07 |
Family
ID=31257704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989031675U Expired - Fee Related JPH0634336Y2 (ja) | 1989-03-20 | 1989-03-20 | ヘルメットにおける外気導入孔開閉装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0634336Y2 (th) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01147219U (th) * | 1988-03-30 | 1989-10-11 |
-
1989
- 1989-03-20 JP JP1989031675U patent/JPH0634336Y2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01147219U (th) * | 1988-03-30 | 1989-10-11 |
Also Published As
Publication number | Publication date |
---|---|
JPH0634336Y2 (ja) | 1994-09-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |