JPS4915421A - - Google Patents
Info
- Publication number
- JPS4915421A JPS4915421A JP4889272A JP4889272A JPS4915421A JP S4915421 A JPS4915421 A JP S4915421A JP 4889272 A JP4889272 A JP 4889272A JP 4889272 A JP4889272 A JP 4889272A JP S4915421 A JPS4915421 A JP S4915421A
- 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
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4889272A JPS4915421A (en) | 1972-05-17 | 1972-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4889272A JPS4915421A (en) | 1972-05-17 | 1972-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4915421A true JPS4915421A (en) | 1974-02-09 |
Family
ID=12815907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4889272A Pending JPS4915421A (en) | 1972-05-17 | 1972-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4915421A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524871U (en) * | 1978-08-03 | 1980-02-18 | ||
| US4449949A (en) * | 1979-05-16 | 1984-05-22 | Futaba Denshi Kogyo K.K. | Method of manufacturing a flat-type fluorescent display tube |
-
1972
- 1972-05-17 JP JP4889272A patent/JPS4915421A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5524871U (en) * | 1978-08-03 | 1980-02-18 | ||
| JPS5729431Y2 (en) * | 1978-08-03 | 1982-06-28 | ||
| US4449949A (en) * | 1979-05-16 | 1984-05-22 | Futaba Denshi Kogyo K.K. | Method of manufacturing a flat-type fluorescent display tube |