JPH0613901Y2 - さく孔方向表示装置 - Google Patents

さく孔方向表示装置

Info

Publication number
JPH0613901Y2
JPH0613901Y2 JP18309486U JP18309486U JPH0613901Y2 JP H0613901 Y2 JPH0613901 Y2 JP H0613901Y2 JP 18309486 U JP18309486 U JP 18309486U JP 18309486 U JP18309486 U JP 18309486U JP H0613901 Y2 JPH0613901 Y2 JP H0613901Y2
Authority
JP
Japan
Prior art keywords
boom
angle
drilling
guide shell
angle information
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
JP18309486U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6391589U (enExample
Inventor
仁美 斉藤
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.)
Furukawa Co Ltd
Original Assignee
Furukawa Co 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 Furukawa Co Ltd filed Critical Furukawa Co Ltd
Priority to JP18309486U priority Critical patent/JPH0613901Y2/ja
Publication of JPS6391589U publication Critical patent/JPS6391589U/ja
Application granted granted Critical
Publication of JPH0613901Y2 publication Critical patent/JPH0613901Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP18309486U 1986-11-28 1986-11-28 さく孔方向表示装置 Expired - Lifetime JPH0613901Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18309486U JPH0613901Y2 (ja) 1986-11-28 1986-11-28 さく孔方向表示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18309486U JPH0613901Y2 (ja) 1986-11-28 1986-11-28 さく孔方向表示装置

Publications (2)

Publication Number Publication Date
JPS6391589U JPS6391589U (enExample) 1988-06-14
JPH0613901Y2 true JPH0613901Y2 (ja) 1994-04-13

Family

ID=31129508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18309486U Expired - Lifetime JPH0613901Y2 (ja) 1986-11-28 1986-11-28 さく孔方向表示装置

Country Status (1)

Country Link
JP (1) JPH0613901Y2 (enExample)

Also Published As

Publication number Publication date
JPS6391589U (enExample) 1988-06-14

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