JPS4988507A - - Google Patents
Info
- Publication number
- JPS4988507A JPS4988507A JP20473A JP20473A JPS4988507A JP S4988507 A JPS4988507 A JP S4988507A JP 20473 A JP20473 A JP 20473A JP 20473 A JP20473 A JP 20473A JP S4988507 A JPS4988507 A JP S4988507A
- 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.)
- Pending
Links
Landscapes
- Headphones And Earphones (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20473A JPS4988507A (forum.php) | 1972-12-25 | 1972-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20473A JPS4988507A (forum.php) | 1972-12-25 | 1972-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4988507A true JPS4988507A (forum.php) | 1974-08-23 |
Family
ID=11467435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20473A Pending JPS4988507A (forum.php) | 1972-12-25 | 1972-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4988507A (forum.php) |
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1972
- 1972-12-25 JP JP20473A patent/JPS4988507A/ja active Pending