JPH02135891U - - Google Patents

Info

Publication number
JPH02135891U
JPH02135891U JP4451989U JP4451989U JPH02135891U JP H02135891 U JPH02135891 U JP H02135891U JP 4451989 U JP4451989 U JP 4451989U JP 4451989 U JP4451989 U JP 4451989U JP H02135891 U JPH02135891 U JP H02135891U
Authority
JP
Japan
Prior art keywords
opening
ground
closing
cutter head
shield body
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
Application number
JP4451989U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4451989U priority Critical patent/JPH02135891U/ja
Publication of JPH02135891U publication Critical patent/JPH02135891U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP4451989U 1989-04-18 1989-04-18 Pending JPH02135891U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4451989U JPH02135891U (enrdf_load_stackoverflow) 1989-04-18 1989-04-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4451989U JPH02135891U (enrdf_load_stackoverflow) 1989-04-18 1989-04-18

Publications (1)

Publication Number Publication Date
JPH02135891U true JPH02135891U (enrdf_load_stackoverflow) 1990-11-13

Family

ID=31557896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4451989U Pending JPH02135891U (enrdf_load_stackoverflow) 1989-04-18 1989-04-18

Country Status (1)

Country Link
JP (1) JPH02135891U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200043085A (ko) * 2018-10-17 2020-04-27 한국전력공사 터널 전방 암반의 전기비저항 측정용 센서

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200043085A (ko) * 2018-10-17 2020-04-27 한국전력공사 터널 전방 암반의 전기비저항 측정용 센서

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