JPS61195188U - - Google Patents
Info
- Publication number
- JPS61195188U JPS61195188U JP7219685U JP7219685U JPS61195188U JP S61195188 U JPS61195188 U JP S61195188U JP 7219685 U JP7219685 U JP 7219685U JP 7219685 U JP7219685 U JP 7219685U JP S61195188 U JPS61195188 U JP S61195188U
- Authority
- JP
- Japan
- Prior art keywords
- air chamber
- opening
- closing
- duct hole
- internal volume
- 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
Landscapes
- Headphones And Earphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7219685U JPS61195188U (is) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7219685U JPS61195188U (is) | 1985-05-17 | 1985-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61195188U true JPS61195188U (is) | 1986-12-05 |
Family
ID=30610386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7219685U Pending JPS61195188U (is) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195188U (is) |
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1985
- 1985-05-17 JP JP7219685U patent/JPS61195188U/ja active Pending