JPS61118012U - - Google Patents

Info

Publication number
JPS61118012U
JPS61118012U JP166185U JP166185U JPS61118012U JP S61118012 U JPS61118012 U JP S61118012U JP 166185 U JP166185 U JP 166185U JP 166185 U JP166185 U JP 166185U JP S61118012 U JPS61118012 U JP S61118012U
Authority
JP
Japan
Prior art keywords
hole
tunnel
laser beam
photoelectric conversion
substrate
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.)
Granted
Application number
JP166185U
Other languages
English (en)
Japanese (ja)
Other versions
JPH044969Y2 (enrdf_load_stackoverflow
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 JP166185U priority Critical patent/JPH044969Y2/ja
Publication of JPS61118012U publication Critical patent/JPS61118012U/ja
Application granted granted Critical
Publication of JPH044969Y2 publication Critical patent/JPH044969Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP166185U 1985-01-10 1985-01-10 Expired JPH044969Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP166185U JPH044969Y2 (enrdf_load_stackoverflow) 1985-01-10 1985-01-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP166185U JPH044969Y2 (enrdf_load_stackoverflow) 1985-01-10 1985-01-10

Publications (2)

Publication Number Publication Date
JPS61118012U true JPS61118012U (enrdf_load_stackoverflow) 1986-07-25
JPH044969Y2 JPH044969Y2 (enrdf_load_stackoverflow) 1992-02-13

Family

ID=30474607

Family Applications (1)

Application Number Title Priority Date Filing Date
JP166185U Expired JPH044969Y2 (enrdf_load_stackoverflow) 1985-01-10 1985-01-10

Country Status (1)

Country Link
JP (1) JPH044969Y2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466625B1 (ko) * 2002-12-09 2005-01-14 코오롱건설주식회사 탄성파 탐사의 수신기에 대한 송신원의 상대좌표 측정방법및 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466625B1 (ko) * 2002-12-09 2005-01-14 코오롱건설주식회사 탄성파 탐사의 수신기에 대한 송신원의 상대좌표 측정방법및 장치

Also Published As

Publication number Publication date
JPH044969Y2 (enrdf_load_stackoverflow) 1992-02-13

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