JPH0336091U - - Google Patents
Info
- Publication number
- JPH0336091U JPH0336091U JP9734989U JP9734989U JPH0336091U JP H0336091 U JPH0336091 U JP H0336091U JP 9734989 U JP9734989 U JP 9734989U JP 9734989 U JP9734989 U JP 9734989U JP H0336091 U JPH0336091 U JP H0336091U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- existing pipe
- destruction
- destroying
- head
- 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
- 230000006378 damage Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9734989U JPH0336091U (hu) | 1989-08-21 | 1989-08-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9734989U JPH0336091U (hu) | 1989-08-21 | 1989-08-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0336091U true JPH0336091U (hu) | 1991-04-09 |
Family
ID=31646495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9734989U Pending JPH0336091U (hu) | 1989-08-21 | 1989-08-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0336091U (hu) |
-
1989
- 1989-08-21 JP JP9734989U patent/JPH0336091U/ja active Pending