JPH02129865U - - Google Patents
Info
- Publication number
- JPH02129865U JPH02129865U JP3845889U JP3845889U JPH02129865U JP H02129865 U JPH02129865 U JP H02129865U JP 3845889 U JP3845889 U JP 3845889U JP 3845889 U JP3845889 U JP 3845889U JP H02129865 U JPH02129865 U JP H02129865U
- Authority
- JP
- Japan
- Prior art keywords
- traveling
- pipe
- vertical
- idler wheels
- idler
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3845889U JPH0717002Y2 (ja) | 1989-03-31 | 1989-03-31 | 管内走行装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3845889U JPH0717002Y2 (ja) | 1989-03-31 | 1989-03-31 | 管内走行装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02129865U true JPH02129865U (en]) | 1990-10-25 |
| JPH0717002Y2 JPH0717002Y2 (ja) | 1995-04-19 |
Family
ID=31546484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3845889U Expired - Lifetime JPH0717002Y2 (ja) | 1989-03-31 | 1989-03-31 | 管内走行装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717002Y2 (en]) |
-
1989
- 1989-03-31 JP JP3845889U patent/JPH0717002Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717002Y2 (ja) | 1995-04-19 |