JPS62180463U - - Google Patents
Info
- Publication number
- JPS62180463U JPS62180463U JP6986686U JP6986686U JPS62180463U JP S62180463 U JPS62180463 U JP S62180463U JP 6986686 U JP6986686 U JP 6986686U JP 6986686 U JP6986686 U JP 6986686U JP S62180463 U JPS62180463 U JP S62180463U
- Authority
- JP
- Japan
- Prior art keywords
- dust prevention
- prevention band
- mask
- gauze
- sandwiched
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 claims 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6986686U JPS62180463U (zh) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6986686U JPS62180463U (zh) | 1986-05-09 | 1986-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180463U true JPS62180463U (zh) | 1987-11-16 |
Family
ID=30910980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6986686U Pending JPS62180463U (zh) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180463U (zh) |
-
1986
- 1986-05-09 JP JP6986686U patent/JPS62180463U/ja active Pending