JPH02138395U - - Google Patents
Info
- Publication number
- JPH02138395U JPH02138395U JP4505489U JP4505489U JPH02138395U JP H02138395 U JPH02138395 U JP H02138395U JP 4505489 U JP4505489 U JP 4505489U JP 4505489 U JP4505489 U JP 4505489U JP H02138395 U JPH02138395 U JP H02138395U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- smoke
- light
- smoke detector
- changing
- 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
- 239000000779 smoke Substances 0.000 claims description 7
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4505489U JPH0739031Y2 (ja) | 1989-04-19 | 1989-04-19 | 煙感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4505489U JPH0739031Y2 (ja) | 1989-04-19 | 1989-04-19 | 煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02138395U true JPH02138395U (cs) | 1990-11-19 |
JPH0739031Y2 JPH0739031Y2 (ja) | 1995-09-06 |
Family
ID=31558900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4505489U Expired - Lifetime JPH0739031Y2 (ja) | 1989-04-19 | 1989-04-19 | 煙感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0739031Y2 (cs) |
-
1989
- 1989-04-19 JP JP4505489U patent/JPH0739031Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0739031Y2 (ja) | 1995-09-06 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |