JPS63143658U - - Google Patents
Info
- Publication number
- JPS63143658U JPS63143658U JP1987036251U JP3625187U JPS63143658U JP S63143658 U JPS63143658 U JP S63143658U JP 1987036251 U JP1987036251 U JP 1987036251U JP 3625187 U JP3625187 U JP 3625187U JP S63143658 U JPS63143658 U JP S63143658U
- Authority
- JP
- Japan
- Prior art keywords
- key
- grating
- exit
- box
- ventilation opening
- 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.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 3
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Road Paving Structures (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987036251U JPH0545719Y2 (en]) | 1987-03-11 | 1987-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987036251U JPH0545719Y2 (en]) | 1987-03-11 | 1987-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63143658U true JPS63143658U (en]) | 1988-09-21 |
| JPH0545719Y2 JPH0545719Y2 (en]) | 1993-11-25 |
Family
ID=30846483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987036251U Expired - Lifetime JPH0545719Y2 (en]) | 1987-03-11 | 1987-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545719Y2 (en]) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008266974A (ja) * | 2007-04-19 | 2008-11-06 | Mikuni Plast Kk | 地下埋設機器のカバーボックス |
| JP2009041214A (ja) * | 2007-08-07 | 2009-02-26 | Metropolitan Expressway Co Ltd | グレーチング蓋外れ止め装置 |
| JP2013124508A (ja) * | 2011-12-15 | 2013-06-24 | Hinode Ltd | 地下構造物の施錠構造 |
| WO2021103809A1 (zh) * | 2020-03-16 | 2021-06-03 | 广州地铁设计研究院股份有限公司 | 一种高速铁路隧道疏散通道活门槛防火防护密闭门 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61112060U (en]) * | 1984-12-21 | 1986-07-15 | ||
| JPS62193506A (ja) * | 1986-02-19 | 1987-08-25 | 日本電信電話株式会社 | ハンドボ−ル鉄蓋施錠装置 |
-
1987
- 1987-03-11 JP JP1987036251U patent/JPH0545719Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61112060U (en]) * | 1984-12-21 | 1986-07-15 | ||
| JPS62193506A (ja) * | 1986-02-19 | 1987-08-25 | 日本電信電話株式会社 | ハンドボ−ル鉄蓋施錠装置 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008266974A (ja) * | 2007-04-19 | 2008-11-06 | Mikuni Plast Kk | 地下埋設機器のカバーボックス |
| JP2009041214A (ja) * | 2007-08-07 | 2009-02-26 | Metropolitan Expressway Co Ltd | グレーチング蓋外れ止め装置 |
| JP2013124508A (ja) * | 2011-12-15 | 2013-06-24 | Hinode Ltd | 地下構造物の施錠構造 |
| WO2021103809A1 (zh) * | 2020-03-16 | 2021-06-03 | 广州地铁设计研究院股份有限公司 | 一种高速铁路隧道疏散通道活门槛防火防护密闭门 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545719Y2 (en]) | 1993-11-25 |