JPS4938416A - - Google Patents
Info
- Publication number
- JPS4938416A JPS4938416A JP8172572A JP8172572A JPS4938416A JP S4938416 A JPS4938416 A JP S4938416A JP 8172572 A JP8172572 A JP 8172572A JP 8172572 A JP8172572 A JP 8172572A JP S4938416 A JPS4938416 A JP S4938416A
- 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 |
|---|---|---|---|
| JP8172572A JPS4938416A (es) | 1972-08-15 | 1972-08-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8172572A JPS4938416A (es) | 1972-08-15 | 1972-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4938416A true JPS4938416A (es) | 1974-04-10 |
Family
ID=13754375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8172572A Pending JPS4938416A (es) | 1972-08-15 | 1972-08-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4938416A (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200555A (en) * | 1981-06-01 | 1982-12-08 | Hitachi Metals Ltd | Surface treating method |
-
1972
- 1972-08-15 JP JP8172572A patent/JPS4938416A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200555A (en) * | 1981-06-01 | 1982-12-08 | Hitachi Metals Ltd | Surface treating method |
| JPS6121309B2 (es) * | 1981-06-01 | 1986-05-26 | Hitachi Metals Ltd |