JPS6167773U - - Google Patents
Info
- Publication number
- JPS6167773U JPS6167773U JP15273484U JP15273484U JPS6167773U JP S6167773 U JPS6167773 U JP S6167773U JP 15273484 U JP15273484 U JP 15273484U JP 15273484 U JP15273484 U JP 15273484U JP S6167773 U JPS6167773 U JP S6167773U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- mask
- sub
- protection frame
- downward
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000001936 parietal effect Effects 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15273484U JPH0131251Y2 (https=) | 1984-10-08 | 1984-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15273484U JPH0131251Y2 (https=) | 1984-10-08 | 1984-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6167773U true JPS6167773U (https=) | 1986-05-09 |
| JPH0131251Y2 JPH0131251Y2 (https=) | 1989-09-25 |
Family
ID=30710786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15273484U Expired JPH0131251Y2 (https=) | 1984-10-08 | 1984-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0131251Y2 (https=) |
-
1984
- 1984-10-08 JP JP15273484U patent/JPH0131251Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0131251Y2 (https=) | 1989-09-25 |