JPS5424991B1 - - Google Patents
Info
- Publication number
- JPS5424991B1 JPS5424991B1 JP570971A JP570971A JPS5424991B1 JP S5424991 B1 JPS5424991 B1 JP S5424991B1 JP 570971 A JP570971 A JP 570971A JP 570971 A JP570971 A JP 570971A JP S5424991 B1 JPS5424991 B1 JP S5424991B1
- 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
- Optical Filters (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP570971A JPS5424991B1 (2) | 1971-02-09 | 1971-02-09 | |
| NL7108372A NL7108372A (2) | 1970-10-23 | 1971-06-17 | |
| DE19712134919 DE2134919C3 (de) | 1970-10-23 | 1971-07-13 | Photochromatischer Stoff auf der Basis TiO tief 2 -CaO oder TiO tief 2 -SrO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP570971A JPS5424991B1 (2) | 1971-02-09 | 1971-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5424991B1 true JPS5424991B1 (2) | 1979-08-24 |
Family
ID=11618629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP570971A Pending JPS5424991B1 (2) | 1970-10-23 | 1971-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5424991B1 (2) |
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1971
- 1971-02-09 JP JP570971A patent/JPS5424991B1/ja active Pending