JPS51123796U - - Google Patents
Info
- Publication number
- JPS51123796U JPS51123796U JP4180175U JP4180175U JPS51123796U JP S51123796 U JPS51123796 U JP S51123796U JP 4180175 U JP4180175 U JP 4180175U JP 4180175 U JP4180175 U JP 4180175U JP S51123796 U JPS51123796 U JP S51123796U
- 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.)
- Granted
Links
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4180175U JPS539199Y2 (ja) | 1975-03-28 | 1975-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4180175U JPS539199Y2 (ja) | 1975-03-28 | 1975-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51123796U true JPS51123796U (ja) | 1976-10-06 |
| JPS539199Y2 JPS539199Y2 (ja) | 1978-03-10 |
Family
ID=28169892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4180175U Expired JPS539199Y2 (ja) | 1975-03-28 | 1975-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS539199Y2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016512969A (ja) * | 2013-02-01 | 2016-05-12 | スリーエム イノベイティブ プロパティズ カンパニー | 呼吸マスク音声増強装置及び方法 |
-
1975
- 1975-03-28 JP JP4180175U patent/JPS539199Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016512969A (ja) * | 2013-02-01 | 2016-05-12 | スリーエム イノベイティブ プロパティズ カンパニー | 呼吸マスク音声増強装置及び方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS539199Y2 (ja) | 1978-03-10 |