JPS4942111A - - Google Patents
Info
- Publication number
- JPS4942111A JPS4942111A JP8633872A JP8633872A JPS4942111A JP S4942111 A JPS4942111 A JP S4942111A JP 8633872 A JP8633872 A JP 8633872A JP 8633872 A JP8633872 A JP 8633872A JP S4942111 A JPS4942111 A JP S4942111A
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8633872A JPS5025253B2 (zh) | 1972-08-30 | 1972-08-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8633872A JPS5025253B2 (zh) | 1972-08-30 | 1972-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4942111A true JPS4942111A (zh) | 1974-04-20 |
JPS5025253B2 JPS5025253B2 (zh) | 1975-08-22 |
Family
ID=13884048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8633872A Expired JPS5025253B2 (zh) | 1972-08-30 | 1972-08-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5025253B2 (zh) |
-
1972
- 1972-08-30 JP JP8633872A patent/JPS5025253B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5025253B2 (zh) | 1975-08-22 |