JPS63183504U - - Google Patents
Info
- Publication number
- JPS63183504U JPS63183504U JP7476487U JP7476487U JPS63183504U JP S63183504 U JPS63183504 U JP S63183504U JP 7476487 U JP7476487 U JP 7476487U JP 7476487 U JP7476487 U JP 7476487U JP S63183504 U JPS63183504 U JP S63183504U
- Authority
- JP
- Japan
- Prior art keywords
- segment
- distance
- dash
- skin plate
- ultrasonic probe
- 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
- 239000000523 sample Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims 3
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7476487U JPH0643685Y2 (ja) | 1987-05-19 | 1987-05-19 | 隙間測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7476487U JPH0643685Y2 (ja) | 1987-05-19 | 1987-05-19 | 隙間測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63183504U true JPS63183504U (en]) | 1988-11-25 |
JPH0643685Y2 JPH0643685Y2 (ja) | 1994-11-14 |
Family
ID=30920284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7476487U Expired - Lifetime JPH0643685Y2 (ja) | 1987-05-19 | 1987-05-19 | 隙間測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0643685Y2 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0441588U (en]) * | 1990-07-31 | 1992-04-08 |
-
1987
- 1987-05-19 JP JP7476487U patent/JPH0643685Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0441588U (en]) * | 1990-07-31 | 1992-04-08 |
Also Published As
Publication number | Publication date |
---|---|
JPH0643685Y2 (ja) | 1994-11-14 |