JPS4857411A - - Google Patents
Info
- Publication number
- JPS4857411A JPS4857411A JP9112871A JP9112871A JPS4857411A JP S4857411 A JPS4857411 A JP S4857411A JP 9112871 A JP9112871 A JP 9112871A JP 9112871 A JP9112871 A JP 9112871A JP S4857411 A JPS4857411 A JP S4857411A
- 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 |
---|---|---|---|
JP9112871A JPS503571B2 (en) | 1971-11-16 | 1971-11-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9112871A JPS503571B2 (en) | 1971-11-16 | 1971-11-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4857411A true JPS4857411A (en) | 1973-08-11 |
JPS503571B2 JPS503571B2 (en) | 1975-02-06 |
Family
ID=14017879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9112871A Expired JPS503571B2 (en) | 1971-11-16 | 1971-11-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS503571B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50147110A (en) * | 1974-05-20 | 1975-11-26 | ||
JP2009144468A (en) * | 2007-12-17 | 2009-07-02 | Daniel Sogo Kenkyusho:Kk | Cruciform start vertical shaft structure |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5335048U (en) * | 1976-08-31 | 1978-03-28 |
-
1971
- 1971-11-16 JP JP9112871A patent/JPS503571B2/ja not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50147110A (en) * | 1974-05-20 | 1975-11-26 | ||
JP2009144468A (en) * | 2007-12-17 | 2009-07-02 | Daniel Sogo Kenkyusho:Kk | Cruciform start vertical shaft structure |
Also Published As
Publication number | Publication date |
---|---|
JPS503571B2 (en) | 1975-02-06 |