JPS4742813Y1 - - Google Patents
Info
- Publication number
- JPS4742813Y1 JPS4742813Y1 JP8423168U JP8423168U JPS4742813Y1 JP S4742813 Y1 JPS4742813 Y1 JP S4742813Y1 JP 8423168 U JP8423168 U JP 8423168U JP 8423168 U JP8423168 U JP 8423168U JP S4742813 Y1 JPS4742813 Y1 JP S4742813Y1
- 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
- Electrically Operated Instructional Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8423168U JPS4742813Y1 (fr) | 1968-09-30 | 1968-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8423168U JPS4742813Y1 (fr) | 1968-09-30 | 1968-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4742813Y1 true JPS4742813Y1 (fr) | 1972-12-25 |
Family
ID=33249173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8423168U Expired JPS4742813Y1 (fr) | 1968-09-30 | 1968-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4742813Y1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217309A (en) * | 1978-06-12 | 1980-08-12 | Ube Industries, Ltd. | Process for producing methacrolein |
-
1968
- 1968-09-30 JP JP8423168U patent/JPS4742813Y1/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4217309A (en) * | 1978-06-12 | 1980-08-12 | Ube Industries, Ltd. | Process for producing methacrolein |