JPS62152251U - - Google Patents
Info
- Publication number
- JPS62152251U JPS62152251U JP3946186U JP3946186U JPS62152251U JP S62152251 U JPS62152251 U JP S62152251U JP 3946186 U JP3946186 U JP 3946186U JP 3946186 U JP3946186 U JP 3946186U JP S62152251 U JPS62152251 U JP S62152251U
- Authority
- JP
- Japan
- Prior art keywords
- dust
- reference plate
- observation
- dust concentration
- perforated
- 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
- 238000005286 illumination Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 8
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3946186U JPS62152251U (enExample) | 1986-03-18 | 1986-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3946186U JPS62152251U (enExample) | 1986-03-18 | 1986-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62152251U true JPS62152251U (enExample) | 1987-09-26 |
Family
ID=30852647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3946186U Pending JPS62152251U (enExample) | 1986-03-18 | 1986-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62152251U (enExample) |
-
1986
- 1986-03-18 JP JP3946186U patent/JPS62152251U/ja active Pending
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