JPH0160138U - - Google Patents
Info
- Publication number
- JPH0160138U JPH0160138U JP15654587U JP15654587U JPH0160138U JP H0160138 U JPH0160138 U JP H0160138U JP 15654587 U JP15654587 U JP 15654587U JP 15654587 U JP15654587 U JP 15654587U JP H0160138 U JPH0160138 U JP H0160138U
- Authority
- JP
- Japan
- Prior art keywords
- micro switch
- sensing plate
- blower
- manhole
- safety device
- 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 description 5
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Ventilation (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15654587U JPH0160138U (cs) | 1987-10-13 | 1987-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15654587U JPH0160138U (cs) | 1987-10-13 | 1987-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160138U true JPH0160138U (cs) | 1989-04-17 |
Family
ID=31435181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15654587U Pending JPH0160138U (cs) | 1987-10-13 | 1987-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160138U (cs) |
-
1987
- 1987-10-13 JP JP15654587U patent/JPH0160138U/ja active Pending