JPH0184390U - - Google Patents
Info
- Publication number
- JPH0184390U JPH0184390U JP1987180867U JP18086787U JPH0184390U JP H0184390 U JPH0184390 U JP H0184390U JP 1987180867 U JP1987180867 U JP 1987180867U JP 18086787 U JP18086787 U JP 18086787U JP H0184390 U JPH0184390 U JP H0184390U
- Authority
- JP
- Japan
- Prior art keywords
- reflected
- received
- transmitting
- plate material
- ground
- Prior art date
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 230000005641 tunneling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987180867U JPH0184390U (da) | 1987-11-26 | 1987-11-26 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987180867U JPH0184390U (da) | 1987-11-26 | 1987-11-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0184390U true JPH0184390U (da) | 1989-06-05 |
Family
ID=31472372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987180867U Pending JPH0184390U (da) | 1987-11-26 | 1987-11-26 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0184390U (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017115435A (ja) * | 2015-12-24 | 2017-06-29 | 鹿島建設株式会社 | トンネル掘進方法及びシールド掘進機 |
-
1987
- 1987-11-26 JP JP1987180867U patent/JPH0184390U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017115435A (ja) * | 2015-12-24 | 2017-06-29 | 鹿島建設株式会社 | トンネル掘進方法及びシールド掘進機 |
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