JPS502311A - - Google Patents
Info
- Publication number
- JPS502311A JPS502311A JP5300173A JP5300173A JPS502311A JP S502311 A JPS502311 A JP S502311A JP 5300173 A JP5300173 A JP 5300173A JP 5300173 A JP5300173 A JP 5300173A JP S502311 A JPS502311 A JP S502311A
- 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 |
---|---|---|---|
JP5300173A JPS502311A (ja) | 1973-05-12 | 1973-05-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5300173A JPS502311A (ja) | 1973-05-12 | 1973-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS502311A true JPS502311A (ja) | 1975-01-10 |
Family
ID=12930672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5300173A Pending JPS502311A (ja) | 1973-05-12 | 1973-05-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS502311A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56111797A (en) * | 1980-02-07 | 1981-09-03 | Gorou Shigematsu | Porous pipe body and method of its propelling burying construction |
JPS5775980U (ja) * | 1980-10-27 | 1982-05-11 |
-
1973
- 1973-05-12 JP JP5300173A patent/JPS502311A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56111797A (en) * | 1980-02-07 | 1981-09-03 | Gorou Shigematsu | Porous pipe body and method of its propelling burying construction |
JPS5775980U (ja) * | 1980-10-27 | 1982-05-11 |