JPH0369778U - - Google Patents
Info
- Publication number
- JPH0369778U JPH0369778U JP13197989U JP13197989U JPH0369778U JP H0369778 U JPH0369778 U JP H0369778U JP 13197989 U JP13197989 U JP 13197989U JP 13197989 U JP13197989 U JP 13197989U JP H0369778 U JPH0369778 U JP H0369778U
- Authority
- JP
- Japan
- Prior art keywords
- exterior concrete
- ductile
- paraffin
- coated
- utility
- 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
- 229910001018 Cast iron Inorganic materials 0.000 claims 1
- 239000004570 mortar (masonry) Substances 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13197989U JPH0369778U (ko) | 1989-11-13 | 1989-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13197989U JPH0369778U (ko) | 1989-11-13 | 1989-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0369778U true JPH0369778U (ko) | 1991-07-11 |
Family
ID=31679457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13197989U Pending JPH0369778U (ko) | 1989-11-13 | 1989-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369778U (ko) |
-
1989
- 1989-11-13 JP JP13197989U patent/JPH0369778U/ja active Pending