JPS5722926Y2 - - Google Patents
Info
- Publication number
- JPS5722926Y2 JPS5722926Y2 JP1977137225U JP13722577U JPS5722926Y2 JP S5722926 Y2 JPS5722926 Y2 JP S5722926Y2 JP 1977137225 U JP1977137225 U JP 1977137225U JP 13722577 U JP13722577 U JP 13722577U JP S5722926 Y2 JPS5722926 Y2 JP S5722926Y2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977137225U JPS5722926Y2 (zh) | 1977-10-12 | 1977-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977137225U JPS5722926Y2 (zh) | 1977-10-12 | 1977-10-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5463495U JPS5463495U (zh) | 1979-05-04 |
| JPS5722926Y2 true JPS5722926Y2 (zh) | 1982-05-18 |
Family
ID=29109216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977137225U Expired JPS5722926Y2 (zh) | 1977-10-12 | 1977-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5722926Y2 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100741461B1 (ko) | 2006-05-30 | 2007-07-24 | 박상효 | 절첩식 마스크 |
| AU2008302589B2 (en) * | 2007-09-20 | 2011-01-27 | 3M Innovative Properties Company | Filtering face-piece respirator that has expandable mask body |
| IT201700058822A1 (it) * | 2017-05-30 | 2018-11-30 | Ivo Mattia Valentini | Maschera antismog |
-
1977
- 1977-10-12 JP JP1977137225U patent/JPS5722926Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5463495U (zh) | 1979-05-04 |