JPS6340545Y2 - - Google Patents

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Publication number
JPS6340545Y2
JPS6340545Y2 JP1983179504U JP17950483U JPS6340545Y2 JP S6340545 Y2 JPS6340545 Y2 JP S6340545Y2 JP 1983179504 U JP1983179504 U JP 1983179504U JP 17950483 U JP17950483 U JP 17950483U JP S6340545 Y2 JPS6340545 Y2 JP S6340545Y2
Authority
JP
Japan
Prior art keywords
engaging
cylinder
hole
attached
casing pipe
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
JP1983179504U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6087287U (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 JP17950483U priority Critical patent/JPS6087287U/ja
Publication of JPS6087287U publication Critical patent/JPS6087287U/ja
Application granted granted Critical
Publication of JPS6340545Y2 publication Critical patent/JPS6340545Y2/ja
Granted legal-status Critical Current

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  • Earth Drilling (AREA)
JP17950483U 1983-11-22 1983-11-22 ボ−リングマシン用ケ−シングパイプ Granted JPS6087287U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17950483U JPS6087287U (ja) 1983-11-22 1983-11-22 ボ−リングマシン用ケ−シングパイプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17950483U JPS6087287U (ja) 1983-11-22 1983-11-22 ボ−リングマシン用ケ−シングパイプ

Publications (2)

Publication Number Publication Date
JPS6087287U JPS6087287U (ja) 1985-06-15
JPS6340545Y2 true JPS6340545Y2 (enrdf_load_stackoverflow) 1988-10-24

Family

ID=30389457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17950483U Granted JPS6087287U (ja) 1983-11-22 1983-11-22 ボ−リングマシン用ケ−シングパイプ

Country Status (1)

Country Link
JP (1) JPS6087287U (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4113133Y1 (enrdf_load_stackoverflow) * 1964-04-21 1966-06-22

Also Published As

Publication number Publication date
JPS6087287U (ja) 1985-06-15

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