JPH0478454U - - Google Patents
Info
- Publication number
- JPH0478454U JPH0478454U JP12173590U JP12173590U JPH0478454U JP H0478454 U JPH0478454 U JP H0478454U JP 12173590 U JP12173590 U JP 12173590U JP 12173590 U JP12173590 U JP 12173590U JP H0478454 U JPH0478454 U JP H0478454U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- space
- evacuated
- created
- sealed
- 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
- 239000003779 heat-resistant material Substances 0.000 claims 1
Landscapes
- Thermal Insulation (AREA)
- Ventilation (AREA)
- Duct Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12173590U JPH0478454U (en]) | 1990-11-20 | 1990-11-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12173590U JPH0478454U (en]) | 1990-11-20 | 1990-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0478454U true JPH0478454U (en]) | 1992-07-08 |
Family
ID=31869576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12173590U Pending JPH0478454U (en]) | 1990-11-20 | 1990-11-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0478454U (en]) |
-
1990
- 1990-11-20 JP JP12173590U patent/JPH0478454U/ja active Pending