JPH02112794U - - Google Patents
Info
- Publication number
- JPH02112794U JPH02112794U JP2154689U JP2154689U JPH02112794U JP H02112794 U JPH02112794 U JP H02112794U JP 2154689 U JP2154689 U JP 2154689U JP 2154689 U JP2154689 U JP 2154689U JP H02112794 U JPH02112794 U JP H02112794U
- Authority
- JP
- Japan
- Prior art keywords
- opened
- lower case
- valve body
- powder
- injection device
- 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
- 239000000843 powder Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 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 |
|---|---|---|---|
| JP2154689U JPH02112794U (de) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2154689U JPH02112794U (de) | 1989-02-28 | 1989-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02112794U true JPH02112794U (de) | 1990-09-10 |
Family
ID=31238882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2154689U Pending JPH02112794U (de) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02112794U (de) |
-
1989
- 1989-02-28 JP JP2154689U patent/JPH02112794U/ja active Pending
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