JPS4915447A - - Google Patents
Info
- Publication number
- JPS4915447A JPS4915447A JP4941372A JP4941372A JPS4915447A JP S4915447 A JPS4915447 A JP S4915447A JP 4941372 A JP4941372 A JP 4941372A JP 4941372 A JP4941372 A JP 4941372A JP S4915447 A JPS4915447 A JP S4915447A
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4941372A JPS4915447A (de) | 1972-05-18 | 1972-05-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4941372A JPS4915447A (de) | 1972-05-18 | 1972-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4915447A true JPS4915447A (de) | 1974-02-09 |
Family
ID=12830358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4941372A Pending JPS4915447A (de) | 1972-05-18 | 1972-05-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4915447A (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53111312A (en) * | 1977-03-10 | 1978-09-28 | Ngk Insulators Ltd | Transparent polycrystalline alumina and high pressure discharge lamp made therefrom |
JPS5961817A (ja) * | 1982-10-01 | 1984-04-09 | Nec Corp | ポツケルスセル |
US6306788B1 (en) | 1999-01-29 | 2001-10-23 | Sumitomo Chemical Company, Limited | Translucent alumina sintered body and production thereof |
-
1972
- 1972-05-18 JP JP4941372A patent/JPS4915447A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53111312A (en) * | 1977-03-10 | 1978-09-28 | Ngk Insulators Ltd | Transparent polycrystalline alumina and high pressure discharge lamp made therefrom |
JPS5737554B2 (de) * | 1977-03-10 | 1982-08-10 | ||
JPS5961817A (ja) * | 1982-10-01 | 1984-04-09 | Nec Corp | ポツケルスセル |
US6306788B1 (en) | 1999-01-29 | 2001-10-23 | Sumitomo Chemical Company, Limited | Translucent alumina sintered body and production thereof |