JPS522417B2 - - Google Patents
Info
- Publication number
- JPS522417B2 JPS522417B2 JP3953972A JP3953972A JPS522417B2 JP S522417 B2 JPS522417 B2 JP S522417B2 JP 3953972 A JP3953972 A JP 3953972A JP 3953972 A JP3953972 A JP 3953972A JP S522417 B2 JPS522417 B2 JP S522417B2
- 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.)
- Expired
Links
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3953972A JPS522417B2 (en:Method) | 1972-04-21 | 1972-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3953972A JPS522417B2 (en:Method) | 1972-04-21 | 1972-04-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS492865A JPS492865A (en:Method) | 1974-01-11 |
| JPS522417B2 true JPS522417B2 (en:Method) | 1977-01-21 |
Family
ID=12555841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3953972A Expired JPS522417B2 (en:Method) | 1972-04-21 | 1972-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS522417B2 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS531479A (en) * | 1976-06-26 | 1978-01-09 | Hitachi Ltd | Gettering method for heavy metals |
| JPS535583A (en) * | 1976-07-05 | 1978-01-19 | Hitachi Ltd | Manufacture of thyristor |
-
1972
- 1972-04-21 JP JP3953972A patent/JPS522417B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS492865A (en:Method) | 1974-01-11 |