JPS63102734U - - Google Patents
Info
- Publication number
- JPS63102734U JPS63102734U JP19702386U JP19702386U JPS63102734U JP S63102734 U JPS63102734 U JP S63102734U JP 19702386 U JP19702386 U JP 19702386U JP 19702386 U JP19702386 U JP 19702386U JP S63102734 U JPS63102734 U JP S63102734U
- Authority
- JP
- Japan
- Prior art keywords
- shell
- helmet
- exhaust hole
- view
- outer opening
- 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 2
- 238000007599 discharging Methods 0.000 claims 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986197023U JPH027844Y2 (zh) | 1986-12-22 | 1986-12-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986197023U JPH027844Y2 (zh) | 1986-12-22 | 1986-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63102734U true JPS63102734U (zh) | 1988-07-04 |
JPH027844Y2 JPH027844Y2 (zh) | 1990-02-26 |
Family
ID=31156371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986197023U Expired JPH027844Y2 (zh) | 1986-12-22 | 1986-12-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH027844Y2 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210420U (zh) * | 1975-07-08 | 1977-01-25 | ||
JPS52165715U (zh) * | 1976-06-08 | 1977-12-15 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210420B2 (zh) * | 1972-06-26 | 1977-03-24 |
-
1986
- 1986-12-22 JP JP1986197023U patent/JPH027844Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5210420U (zh) * | 1975-07-08 | 1977-01-25 | ||
JPS52165715U (zh) * | 1976-06-08 | 1977-12-15 |
Also Published As
Publication number | Publication date |
---|---|
JPH027844Y2 (zh) | 1990-02-26 |