JPS6423685U - - Google Patents
Info
- Publication number
- JPS6423685U JPS6423685U JP11839987U JP11839987U JPS6423685U JP S6423685 U JPS6423685 U JP S6423685U JP 11839987 U JP11839987 U JP 11839987U JP 11839987 U JP11839987 U JP 11839987U JP S6423685 U JPS6423685 U JP S6423685U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- marker
- shaped body
- shaped
- center
- 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
- 239000003550 marker Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11839987U JPH0450551Y2 (enExample) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11839987U JPH0450551Y2 (enExample) | 1987-07-31 | 1987-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6423685U true JPS6423685U (enExample) | 1989-02-08 |
| JPH0450551Y2 JPH0450551Y2 (enExample) | 1992-11-27 |
Family
ID=31362725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11839987U Expired JPH0450551Y2 (enExample) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450551Y2 (enExample) |
-
1987
- 1987-07-31 JP JP11839987U patent/JPH0450551Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450551Y2 (enExample) | 1992-11-27 |