JPS4888743A - - Google Patents
Info
- Publication number
- JPS4888743A JPS4888743A JP1966372A JP1966372A JPS4888743A JP S4888743 A JPS4888743 A JP S4888743A JP 1966372 A JP1966372 A JP 1966372A JP 1966372 A JP1966372 A JP 1966372A JP S4888743 A JPS4888743 A JP S4888743A
- Authority
- JP
- Japan
- 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
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1966372A JPS4888743A (enExample) | 1972-02-28 | 1972-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1966372A JPS4888743A (enExample) | 1972-02-28 | 1972-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4888743A true JPS4888743A (enExample) | 1973-11-20 |
Family
ID=12005469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1966372A Pending JPS4888743A (enExample) | 1972-02-28 | 1972-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4888743A (enExample) |
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1972
- 1972-02-28 JP JP1966372A patent/JPS4888743A/ja active Pending