JPH02128976U - - Google Patents
Info
- Publication number
- JPH02128976U JPH02128976U JP3747889U JP3747889U JPH02128976U JP H02128976 U JPH02128976 U JP H02128976U JP 3747889 U JP3747889 U JP 3747889U JP 3747889 U JP3747889 U JP 3747889U JP H02128976 U JPH02128976 U JP H02128976U
- Authority
- JP
- Japan
- Prior art keywords
- fixing ring
- underground object
- detection signal
- opening
- marker
- 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 5
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989037478U JPH0734386Y2 (ja) | 1989-03-30 | 1989-03-30 | 地中埋設物探知用標識体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989037478U JPH0734386Y2 (ja) | 1989-03-30 | 1989-03-30 | 地中埋設物探知用標識体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02128976U true JPH02128976U (no) | 1990-10-24 |
| JPH0734386Y2 JPH0734386Y2 (ja) | 1995-08-02 |
Family
ID=31544625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989037478U Expired - Lifetime JPH0734386Y2 (ja) | 1989-03-30 | 1989-03-30 | 地中埋設物探知用標識体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734386Y2 (no) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58178688U (ja) * | 1982-05-25 | 1983-11-29 | 株式会社クボタ | 埋設管の感知構造 |
| JPS6372579U (no) * | 1986-10-30 | 1988-05-14 | ||
| JPS63176507A (ja) * | 1987-01-14 | 1988-07-20 | 株式会社 山水製作所 | 路上標識保持装置 |
-
1989
- 1989-03-30 JP JP1989037478U patent/JPH0734386Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58178688U (ja) * | 1982-05-25 | 1983-11-29 | 株式会社クボタ | 埋設管の感知構造 |
| JPS6372579U (no) * | 1986-10-30 | 1988-05-14 | ||
| JPS63176507A (ja) * | 1987-01-14 | 1988-07-20 | 株式会社 山水製作所 | 路上標識保持装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734386Y2 (ja) | 1995-08-02 |