JPH03125050U - - Google Patents
Info
- Publication number
- JPH03125050U JPH03125050U JP3251690U JP3251690U JPH03125050U JP H03125050 U JPH03125050 U JP H03125050U JP 3251690 U JP3251690 U JP 3251690U JP 3251690 U JP3251690 U JP 3251690U JP H03125050 U JPH03125050 U JP H03125050U
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- system consisting
- evacuation system
- booster pump
- vacuum evacuation
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000009849 vacuum degassing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3251690U JPH03125050U (OSRAM) | 1990-03-27 | 1990-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3251690U JPH03125050U (OSRAM) | 1990-03-27 | 1990-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125050U true JPH03125050U (OSRAM) | 1991-12-18 |
Family
ID=31535525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3251690U Pending JPH03125050U (OSRAM) | 1990-03-27 | 1990-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125050U (OSRAM) |
-
1990
- 1990-03-27 JP JP3251690U patent/JPH03125050U/ja active Pending
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