JPS6391600U - - Google Patents
Info
- Publication number
- JPS6391600U JPS6391600U JP18576086U JP18576086U JPS6391600U JP S6391600 U JPS6391600 U JP S6391600U JP 18576086 U JP18576086 U JP 18576086U JP 18576086 U JP18576086 U JP 18576086U JP S6391600 U JPS6391600 U JP S6391600U
- Authority
- JP
- Japan
- Prior art keywords
- recessed hole
- hole
- lock bolt
- existing tunnel
- fixing nut
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000011324 bead Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 3
Landscapes
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18576086U JPS6391600U (enExample) | 1986-12-02 | 1986-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18576086U JPS6391600U (enExample) | 1986-12-02 | 1986-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6391600U true JPS6391600U (enExample) | 1988-06-14 |
Family
ID=31134689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18576086U Pending JPS6391600U (enExample) | 1986-12-02 | 1986-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6391600U (enExample) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4827311U (enExample) * | 1971-08-06 | 1973-04-02 | ||
| JPS5121265U (enExample) * | 1974-08-03 | 1976-02-17 | ||
| JPS5515299A (en) * | 1978-07-17 | 1980-02-02 | Int Rectifier Corp | Large power transistor |
-
1986
- 1986-12-02 JP JP18576086U patent/JPS6391600U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4827311U (enExample) * | 1971-08-06 | 1973-04-02 | ||
| JPS5121265U (enExample) * | 1974-08-03 | 1976-02-17 | ||
| JPS5515299A (en) * | 1978-07-17 | 1980-02-02 | Int Rectifier Corp | Large power transistor |