JPS5117570A - KOIRUSHIKEN SOCHI - Google Patents
KOIRUSHIKEN SOCHIInfo
- Publication number
- JPS5117570A JPS5117570A JP8874474A JP8874474A JPS5117570A JP S5117570 A JPS5117570 A JP S5117570A JP 8874474 A JP8874474 A JP 8874474A JP 8874474 A JP8874474 A JP 8874474A JP S5117570 A JPS5117570 A JP S5117570A
- Authority
- JP
- Japan
- Prior art keywords
- koirushiken
- sochi
- koirushiken sochi
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8874474A JPS5117570A (en) | 1974-08-02 | 1974-08-02 | KOIRUSHIKEN SOCHI |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8874474A JPS5117570A (en) | 1974-08-02 | 1974-08-02 | KOIRUSHIKEN SOCHI |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5117570A true JPS5117570A (en) | 1976-02-12 |
Family
ID=13951411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8874474A Pending JPS5117570A (en) | 1974-08-02 | 1974-08-02 | KOIRUSHIKEN SOCHI |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5117570A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60131845A (en) * | 1983-12-01 | 1985-07-13 | シヨツト、グラスヴエルケ | Optical glass having refractive index of more than 1.90, abbe's number of more than 25 and high chemical stability |
DE3307497C2 (en) | 1983-03-03 | 1985-09-12 | Schott Glaswerke, 6500 Mainz | Optical glass in the system Si0? 2? - B? 2? 0? 3? - La 2 0 3 - Zr0? 2? - alkali oxide - alkaline earth oxide - Zn0 - F with refractive index? 1.70, Payoff? 48, with good devitrification stability and good chemical resistance |
-
1974
- 1974-08-02 JP JP8874474A patent/JPS5117570A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3307497C2 (en) | 1983-03-03 | 1985-09-12 | Schott Glaswerke, 6500 Mainz | Optical glass in the system Si0? 2? - B? 2? 0? 3? - La 2 0 3 - Zr0? 2? - alkali oxide - alkaline earth oxide - Zn0 - F with refractive index? 1.70, Payoff? 48, with good devitrification stability and good chemical resistance |
JPS60131845A (en) * | 1983-12-01 | 1985-07-13 | シヨツト、グラスヴエルケ | Optical glass having refractive index of more than 1.90, abbe's number of more than 25 and high chemical stability |
JPH0149649B2 (en) * | 1983-12-01 | 1989-10-25 | Schott Glaswerke |
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