JPS6176700U - - Google Patents
Info
- Publication number
- JPS6176700U JPS6176700U JP16103984U JP16103984U JPS6176700U JP S6176700 U JPS6176700 U JP S6176700U JP 16103984 U JP16103984 U JP 16103984U JP 16103984 U JP16103984 U JP 16103984U JP S6176700 U JPS6176700 U JP S6176700U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- injection device
- neutral particle
- particle injection
- manhole
- 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
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16103984U JPS6176700U (ru) | 1984-10-26 | 1984-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16103984U JPS6176700U (ru) | 1984-10-26 | 1984-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6176700U true JPS6176700U (ru) | 1986-05-23 |
Family
ID=30718952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16103984U Pending JPS6176700U (ru) | 1984-10-26 | 1984-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6176700U (ru) |
-
1984
- 1984-10-26 JP JP16103984U patent/JPS6176700U/ja active Pending