JPH02113153U - - Google Patents
Info
- Publication number
- JPH02113153U JPH02113153U JP2232089U JP2232089U JPH02113153U JP H02113153 U JPH02113153 U JP H02113153U JP 2232089 U JP2232089 U JP 2232089U JP 2232089 U JP2232089 U JP 2232089U JP H02113153 U JPH02113153 U JP H02113153U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- receiving tube
- reflector
- smoke
- diameter
- 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
- 239000000779 smoke Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2232089U JPH02113153U (2) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2232089U JPH02113153U (2) | 1989-02-28 | 1989-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113153U true JPH02113153U (2) | 1990-09-11 |
Family
ID=31240327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2232089U Pending JPH02113153U (2) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113153U (2) |
-
1989
- 1989-02-28 JP JP2232089U patent/JPH02113153U/ja active Pending
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