JPH0748796Y2 - 小口径管推進機のレーザターゲット装置 - Google Patents

小口径管推進機のレーザターゲット装置

Info

Publication number
JPH0748796Y2
JPH0748796Y2 JP8310090U JP8310090U JPH0748796Y2 JP H0748796 Y2 JPH0748796 Y2 JP H0748796Y2 JP 8310090 U JP8310090 U JP 8310090U JP 8310090 U JP8310090 U JP 8310090U JP H0748796 Y2 JPH0748796 Y2 JP H0748796Y2
Authority
JP
Japan
Prior art keywords
laser target
conduit
laser
front conduit
diameter tube
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.)
Expired - Lifetime
Application number
JP8310090U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0441589U (enExample
Inventor
嘉彦 村上
茂 倉上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Ltd
Original Assignee
Komatsu Ltd
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 by Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP8310090U priority Critical patent/JPH0748796Y2/ja
Publication of JPH0441589U publication Critical patent/JPH0441589U/ja
Application granted granted Critical
Publication of JPH0748796Y2 publication Critical patent/JPH0748796Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP8310090U 1990-08-07 1990-08-07 小口径管推進機のレーザターゲット装置 Expired - Lifetime JPH0748796Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8310090U JPH0748796Y2 (ja) 1990-08-07 1990-08-07 小口径管推進機のレーザターゲット装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8310090U JPH0748796Y2 (ja) 1990-08-07 1990-08-07 小口径管推進機のレーザターゲット装置

Publications (2)

Publication Number Publication Date
JPH0441589U JPH0441589U (enExample) 1992-04-08
JPH0748796Y2 true JPH0748796Y2 (ja) 1995-11-08

Family

ID=31630487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8310090U Expired - Lifetime JPH0748796Y2 (ja) 1990-08-07 1990-08-07 小口径管推進機のレーザターゲット装置

Country Status (1)

Country Link
JP (1) JPH0748796Y2 (enExample)

Also Published As

Publication number Publication date
JPH0441589U (enExample) 1992-04-08

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