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 |
BRPI0817051A2 (pt) * | 2007-09-20 | 2019-09-24 | 3M Innovative Properties Co | "respirador com peça facial filtrante" |
IT201700058822A1 (it) * | 2017-05-30 | 2018-11-30 | Ivo Mattia Valentini | Maschera antismog |
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1977
- 1977-10-12 JP JP1977137225U patent/JPS5722926Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5463495U (zh) | 1979-05-04 |