JPS62149842U - - Google Patents
Info
- Publication number
- JPS62149842U JPS62149842U JP3669586U JP3669586U JPS62149842U JP S62149842 U JPS62149842 U JP S62149842U JP 3669586 U JP3669586 U JP 3669586U JP 3669586 U JP3669586 U JP 3669586U JP S62149842 U JPS62149842 U JP S62149842U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- shutter
- closing
- diffusion furnace
- shutter plate
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3669586U JPH0143858Y2 (https=) | 1986-03-13 | 1986-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3669586U JPH0143858Y2 (https=) | 1986-03-13 | 1986-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62149842U true JPS62149842U (https=) | 1987-09-22 |
| JPH0143858Y2 JPH0143858Y2 (https=) | 1989-12-19 |
Family
ID=30847340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3669586U Expired JPH0143858Y2 (https=) | 1986-03-13 | 1986-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0143858Y2 (https=) |
-
1986
- 1986-03-13 JP JP3669586U patent/JPH0143858Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0143858Y2 (https=) | 1989-12-19 |