JPH01109685U - - Google Patents
Info
- Publication number
- JPH01109685U JPH01109685U JP468488U JP468488U JPH01109685U JP H01109685 U JPH01109685 U JP H01109685U JP 468488 U JP468488 U JP 468488U JP 468488 U JP468488 U JP 468488U JP H01109685 U JPH01109685 U JP H01109685U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- double
- crack
- double pipe
- welded
- 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
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP468488U JPH01109685U (lt) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP468488U JPH01109685U (lt) | 1988-01-20 | 1988-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01109685U true JPH01109685U (lt) | 1989-07-25 |
Family
ID=31207414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP468488U Pending JPH01109685U (lt) | 1988-01-20 | 1988-01-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01109685U (lt) |
-
1988
- 1988-01-20 JP JP468488U patent/JPH01109685U/ja active Pending