JPH01137461U - - Google Patents
Info
- Publication number
- JPH01137461U JPH01137461U JP3347388U JP3347388U JPH01137461U JP H01137461 U JPH01137461 U JP H01137461U JP 3347388 U JP3347388 U JP 3347388U JP 3347388 U JP3347388 U JP 3347388U JP H01137461 U JPH01137461 U JP H01137461U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- lighting device
- absorbing material
- observation head
- water absorbing
- 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
- 239000011358 absorbing material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033473U JPH0648398Y2 (ja) | 1988-03-14 | 1988-03-14 | 管内観察ヘッド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988033473U JPH0648398Y2 (ja) | 1988-03-14 | 1988-03-14 | 管内観察ヘッド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01137461U true JPH01137461U (enrdf_load_stackoverflow) | 1989-09-20 |
| JPH0648398Y2 JPH0648398Y2 (ja) | 1994-12-12 |
Family
ID=31260154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988033473U Expired - Lifetime JPH0648398Y2 (ja) | 1988-03-14 | 1988-03-14 | 管内観察ヘッド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648398Y2 (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51142848A (en) * | 1975-06-03 | 1976-12-08 | Chiyoda Chem Eng & Constr Co Ltd | Cooling method of building |
| JPS55144532A (en) * | 1979-04-27 | 1980-11-11 | Kawasaki Steel Corp | Method and device for sounding in cylindrical tube |
| JPS61204212U (enrdf_load_stackoverflow) * | 1985-06-13 | 1986-12-23 |
-
1988
- 1988-03-14 JP JP1988033473U patent/JPH0648398Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51142848A (en) * | 1975-06-03 | 1976-12-08 | Chiyoda Chem Eng & Constr Co Ltd | Cooling method of building |
| JPS55144532A (en) * | 1979-04-27 | 1980-11-11 | Kawasaki Steel Corp | Method and device for sounding in cylindrical tube |
| JPS61204212U (enrdf_load_stackoverflow) * | 1985-06-13 | 1986-12-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648398Y2 (ja) | 1994-12-12 |