JPS63168734U - - Google Patents
Info
- Publication number
- JPS63168734U JPS63168734U JP6187787U JP6187787U JPS63168734U JP S63168734 U JPS63168734 U JP S63168734U JP 6187787 U JP6187787 U JP 6187787U JP 6187787 U JP6187787 U JP 6187787U JP S63168734 U JPS63168734 U JP S63168734U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- concrete
- utility
- attached
- scope
- 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
- 238000009423 ventilation Methods 0.000 claims 1
Landscapes
- Building Environments (AREA)
- Ventilation (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6187787U JPS63168734U (zh) | 1987-04-23 | 1987-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6187787U JPS63168734U (zh) | 1987-04-23 | 1987-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63168734U true JPS63168734U (zh) | 1988-11-02 |
Family
ID=30895619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6187787U Pending JPS63168734U (zh) | 1987-04-23 | 1987-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63168734U (zh) |
-
1987
- 1987-04-23 JP JP6187787U patent/JPS63168734U/ja active Pending