JPS6426834U - - Google Patents
Info
- Publication number
- JPS6426834U JPS6426834U JP12130187U JP12130187U JPS6426834U JP S6426834 U JPS6426834 U JP S6426834U JP 12130187 U JP12130187 U JP 12130187U JP 12130187 U JP12130187 U JP 12130187U JP S6426834 U JPS6426834 U JP S6426834U
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- core tube
- furnace core
- diffusion furnace
- drafts
- 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
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 3
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12130187U JPS6426834U (en:Method) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12130187U JPS6426834U (en:Method) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6426834U true JPS6426834U (en:Method) | 1989-02-15 |
Family
ID=31368183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12130187U Pending JPS6426834U (en:Method) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6426834U (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209520B (zh) | 2006-12-29 | 2012-11-14 | 上海第一机床厂有限公司 | 一种导向筒的加工工艺 |
-
1987
- 1987-08-06 JP JP12130187U patent/JPS6426834U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209520B (zh) | 2006-12-29 | 2012-11-14 | 上海第一机床厂有限公司 | 一种导向筒的加工工艺 |