JPH072813Y2 - 換気装置 - Google Patents
換気装置Info
- Publication number
- JPH072813Y2 JPH072813Y2 JP1988063766U JP6376688U JPH072813Y2 JP H072813 Y2 JPH072813 Y2 JP H072813Y2 JP 1988063766 U JP1988063766 U JP 1988063766U JP 6376688 U JP6376688 U JP 6376688U JP H072813 Y2 JPH072813 Y2 JP H072813Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- ventilation
- lever
- closing door
- floor
- 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 - Lifetime
Links
- 238000009423 ventilation Methods 0.000 title claims description 39
- 239000002689 soil Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
- Building Environments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988063766U JPH072813Y2 (ja) | 1988-05-13 | 1988-05-13 | 換気装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988063766U JPH072813Y2 (ja) | 1988-05-13 | 1988-05-13 | 換気装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01170711U JPH01170711U (en]) | 1989-12-04 |
| JPH072813Y2 true JPH072813Y2 (ja) | 1995-01-25 |
Family
ID=31289255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988063766U Expired - Lifetime JPH072813Y2 (ja) | 1988-05-13 | 1988-05-13 | 換気装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH072813Y2 (en]) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57134506U (en]) * | 1981-02-17 | 1982-08-21 | ||
| JPS5861871U (ja) * | 1981-10-06 | 1983-04-26 | ナショナル住宅産業株式会社 | 履物収納装置 |
-
1988
- 1988-05-13 JP JP1988063766U patent/JPH072813Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01170711U (en]) | 1989-12-04 |
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