JPS646688U - - Google Patents
Info
- Publication number
- JPS646688U JPS646688U JP10222487U JP10222487U JPS646688U JP S646688 U JPS646688 U JP S646688U JP 10222487 U JP10222487 U JP 10222487U JP 10222487 U JP10222487 U JP 10222487U JP S646688 U JPS646688 U JP S646688U
- Authority
- JP
- Japan
- Prior art keywords
- filter plate
- audio equipment
- filter
- light
- color
- 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
- 238000004080 punching Methods 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims 2
- 238000005286 illumination Methods 0.000 claims 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10222487U JPS646688U (en]) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10222487U JPS646688U (en]) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646688U true JPS646688U (en]) | 1989-01-13 |
Family
ID=31331935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10222487U Pending JPS646688U (en]) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646688U (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4941145B2 (en]) * | 1971-10-07 | 1974-11-07 |
-
1987
- 1987-07-02 JP JP10222487U patent/JPS646688U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4941145B2 (en]) * | 1971-10-07 | 1974-11-07 |