JPS6437656U - - Google Patents
Info
- Publication number
- JPS6437656U JPS6437656U JP13123587U JP13123587U JPS6437656U JP S6437656 U JPS6437656 U JP S6437656U JP 13123587 U JP13123587 U JP 13123587U JP 13123587 U JP13123587 U JP 13123587U JP S6437656 U JPS6437656 U JP S6437656U
- Authority
- JP
- Japan
- Prior art keywords
- flue
- shutter
- emitter
- receiver
- dust concentration
- 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
- 239000000428 dust Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13123587U JPS6437656U (cs) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13123587U JPS6437656U (cs) | 1987-08-28 | 1987-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437656U true JPS6437656U (cs) | 1989-03-07 |
Family
ID=31387109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13123587U Pending JPS6437656U (cs) | 1987-08-28 | 1987-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437656U (cs) |
-
1987
- 1987-08-28 JP JP13123587U patent/JPS6437656U/ja active Pending
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