JPS6223910Y2 - - Google Patents

Info

Publication number
JPS6223910Y2
JPS6223910Y2 JP18316081U JP18316081U JPS6223910Y2 JP S6223910 Y2 JPS6223910 Y2 JP S6223910Y2 JP 18316081 U JP18316081 U JP 18316081U JP 18316081 U JP18316081 U JP 18316081U JP S6223910 Y2 JPS6223910 Y2 JP S6223910Y2
Authority
JP
Japan
Prior art keywords
drilling
hole
pipe
tube
divided
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
Application number
JP18316081U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5890290U (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 JP18316081U priority Critical patent/JPS5890290U/ja
Publication of JPS5890290U publication Critical patent/JPS5890290U/ja
Application granted granted Critical
Publication of JPS6223910Y2 publication Critical patent/JPS6223910Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP18316081U 1981-12-09 1981-12-09 地盤削孔機械のスクリユ−・マウント式分割削孔管 Granted JPS5890290U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18316081U JPS5890290U (ja) 1981-12-09 1981-12-09 地盤削孔機械のスクリユ−・マウント式分割削孔管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18316081U JPS5890290U (ja) 1981-12-09 1981-12-09 地盤削孔機械のスクリユ−・マウント式分割削孔管

Publications (2)

Publication Number Publication Date
JPS5890290U JPS5890290U (ja) 1983-06-18
JPS6223910Y2 true JPS6223910Y2 (enrdf_load_stackoverflow) 1987-06-18

Family

ID=29982173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18316081U Granted JPS5890290U (ja) 1981-12-09 1981-12-09 地盤削孔機械のスクリユ−・マウント式分割削孔管

Country Status (1)

Country Link
JP (1) JPS5890290U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5890290U (ja) 1983-06-18

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