JPS6214758Y2 - - Google Patents
Info
- Publication number
- JPS6214758Y2 JPS6214758Y2 JP8613681U JP8613681U JPS6214758Y2 JP S6214758 Y2 JPS6214758 Y2 JP S6214758Y2 JP 8613681 U JP8613681 U JP 8613681U JP 8613681 U JP8613681 U JP 8613681U JP S6214758 Y2 JPS6214758 Y2 JP S6214758Y2
- Authority
- JP
- Japan
- Prior art keywords
- mask
- microphone
- transmitter
- terminal
- protective mask
- 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.)
- Expired
Links
- 230000001681 protective effect Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims 1
- 210000003254 palate Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 231100001261 hazardous Toxicity 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000383 hazardous chemical Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Transmitters (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8613681U JPS6214758Y2 (en]) | 1981-06-11 | 1981-06-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8613681U JPS6214758Y2 (en]) | 1981-06-11 | 1981-06-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198136U JPS57198136U (en]) | 1982-12-16 |
| JPS6214758Y2 true JPS6214758Y2 (en]) | 1987-04-15 |
Family
ID=29881371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8613681U Expired JPS6214758Y2 (en]) | 1981-06-11 | 1981-06-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214758Y2 (en]) |
-
1981
- 1981-06-11 JP JP8613681U patent/JPS6214758Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198136U (en]) | 1982-12-16 |
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