JPS63149213U - - Google Patents
Info
- Publication number
- JPS63149213U JPS63149213U JP3949387U JP3949387U JPS63149213U JP S63149213 U JPS63149213 U JP S63149213U JP 3949387 U JP3949387 U JP 3949387U JP 3949387 U JP3949387 U JP 3949387U JP S63149213 U JPS63149213 U JP S63149213U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- filter unit
- sealing
- gasket
- sleeve
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3949387U JPH039776Y2 (en]) | 1987-03-17 | 1987-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3949387U JPH039776Y2 (en]) | 1987-03-17 | 1987-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149213U true JPS63149213U (en]) | 1988-09-30 |
| JPH039776Y2 JPH039776Y2 (en]) | 1991-03-12 |
Family
ID=30852711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3949387U Expired JPH039776Y2 (en]) | 1987-03-17 | 1987-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH039776Y2 (en]) |
-
1987
- 1987-03-17 JP JP3949387U patent/JPH039776Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039776Y2 (en]) | 1991-03-12 |