JPS61173583U - - Google Patents
Info
- Publication number
- JPS61173583U JPS61173583U JP5708685U JP5708685U JPS61173583U JP S61173583 U JPS61173583 U JP S61173583U JP 5708685 U JP5708685 U JP 5708685U JP 5708685 U JP5708685 U JP 5708685U JP S61173583 U JPS61173583 U JP S61173583U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- side wall
- filter
- bored
- approximately
- 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
- Sewage (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5708685U JPS61173583U (it) | 1985-04-16 | 1985-04-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5708685U JPS61173583U (it) | 1985-04-16 | 1985-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61173583U true JPS61173583U (it) | 1986-10-28 |
Family
ID=30581284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5708685U Pending JPS61173583U (it) | 1985-04-16 | 1985-04-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61173583U (it) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5321736B2 (it) * | 1973-12-20 | 1978-07-04 | ||
JPS574416B2 (it) * | 1976-03-22 | 1982-01-26 |
-
1985
- 1985-04-16 JP JP5708685U patent/JPS61173583U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5321736B2 (it) * | 1973-12-20 | 1978-07-04 | ||
JPS574416B2 (it) * | 1976-03-22 | 1982-01-26 |