JPS6431762U - - Google Patents
Info
- Publication number
- JPS6431762U JPS6431762U JP12509287U JP12509287U JPS6431762U JP S6431762 U JPS6431762 U JP S6431762U JP 12509287 U JP12509287 U JP 12509287U JP 12509287 U JP12509287 U JP 12509287U JP S6431762 U JPS6431762 U JP S6431762U
- Authority
- JP
- Japan
- Prior art keywords
- utility
- model
- dust mask
- main body
- filter
- 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 9
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 4
- 239000004744 fabric Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000057 synthetic resin Substances 0.000 claims 2
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 230000029058 respiratory gaseous exchange Effects 0.000 claims 1
- 239000005060 rubber Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229920003051 synthetic elastomer Polymers 0.000 claims 1
- 239000005061 synthetic rubber Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12509287U JPS6431762U (ru) | 1987-08-17 | 1987-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12509287U JPS6431762U (ru) | 1987-08-17 | 1987-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431762U true JPS6431762U (ru) | 1989-02-27 |
Family
ID=31375388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12509287U Pending JPS6431762U (ru) | 1987-08-17 | 1987-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431762U (ru) |
-
1987
- 1987-08-17 JP JP12509287U patent/JPS6431762U/ja active Pending
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