JPS6221881Y2 - - Google Patents
Info
- Publication number
- JPS6221881Y2 JPS6221881Y2 JP8784977U JP8784977U JPS6221881Y2 JP S6221881 Y2 JPS6221881 Y2 JP S6221881Y2 JP 8784977 U JP8784977 U JP 8784977U JP 8784977 U JP8784977 U JP 8784977U JP S6221881 Y2 JPS6221881 Y2 JP S6221881Y2
- Authority
- JP
- Japan
- Prior art keywords
- air
- floor
- cylindrical body
- hollow cylindrical
- ceiling
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8784977U JPS6221881Y2 (en]) | 1977-07-01 | 1977-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8784977U JPS6221881Y2 (en]) | 1977-07-01 | 1977-07-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5416156U JPS5416156U (en]) | 1979-02-01 |
| JPS6221881Y2 true JPS6221881Y2 (en]) | 1987-06-03 |
Family
ID=29013763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8784977U Expired JPS6221881Y2 (en]) | 1977-07-01 | 1977-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6221881Y2 (en]) |
-
1977
- 1977-07-01 JP JP8784977U patent/JPS6221881Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5416156U (en]) | 1979-02-01 |
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