JPH01121785U - - Google Patents
Info
- Publication number
- JPH01121785U JPH01121785U JP1772288U JP1772288U JPH01121785U JP H01121785 U JPH01121785 U JP H01121785U JP 1772288 U JP1772288 U JP 1772288U JP 1772288 U JP1772288 U JP 1772288U JP H01121785 U JPH01121785 U JP H01121785U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- wall
- notch
- penetrating device
- around
- 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
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000035515 penetration Effects 0.000 description 2
Landscapes
- Building Environments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1772288U JPH01121785U (en, 2012) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1772288U JPH01121785U (en, 2012) | 1988-02-12 | 1988-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01121785U true JPH01121785U (en, 2012) | 1989-08-17 |
Family
ID=31231759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1772288U Pending JPH01121785U (en, 2012) | 1988-02-12 | 1988-02-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01121785U (en, 2012) |
-
1988
- 1988-02-12 JP JP1772288U patent/JPH01121785U/ja active Pending