JPH03120631U - - Google Patents
Info
- Publication number
- JPH03120631U JPH03120631U JP2906090U JP2906090U JPH03120631U JP H03120631 U JPH03120631 U JP H03120631U JP 2906090 U JP2906090 U JP 2906090U JP 2906090 U JP2906090 U JP 2906090U JP H03120631 U JPH03120631 U JP H03120631U
- Authority
- JP
- Japan
- Prior art keywords
- sand
- trough
- insulation resistance
- pair
- monitoring device
- 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.)
- Pending
Links
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2906090U JPH03120631U (en]) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2906090U JPH03120631U (en]) | 1990-03-23 | 1990-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03120631U true JPH03120631U (en]) | 1991-12-11 |
Family
ID=31531840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2906090U Pending JPH03120631U (en]) | 1990-03-23 | 1990-03-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03120631U (en]) |
-
1990
- 1990-03-23 JP JP2906090U patent/JPH03120631U/ja active Pending