JPS627751Y2 - - Google Patents

Info

Publication number
JPS627751Y2
JPS627751Y2 JP1981065633U JP6563381U JPS627751Y2 JP S627751 Y2 JPS627751 Y2 JP S627751Y2 JP 1981065633 U JP1981065633 U JP 1981065633U JP 6563381 U JP6563381 U JP 6563381U JP S627751 Y2 JPS627751 Y2 JP S627751Y2
Authority
JP
Japan
Prior art keywords
frame
track
hoist
drilling
pit
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
JP1981065633U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56171890U (pm
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 JP1981065633U priority Critical patent/JPS627751Y2/ja
Publication of JPS56171890U publication Critical patent/JPS56171890U/ja
Application granted granted Critical
Publication of JPS627751Y2 publication Critical patent/JPS627751Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1981065633U 1981-05-08 1981-05-08 Expired JPS627751Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981065633U JPS627751Y2 (pm) 1981-05-08 1981-05-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981065633U JPS627751Y2 (pm) 1981-05-08 1981-05-08

Publications (2)

Publication Number Publication Date
JPS56171890U JPS56171890U (pm) 1981-12-18
JPS627751Y2 true JPS627751Y2 (pm) 1987-02-23

Family

ID=29659757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981065633U Expired JPS627751Y2 (pm) 1981-05-08 1981-05-08

Country Status (1)

Country Link
JP (1) JPS627751Y2 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278397A (ja) * 1985-10-02 1987-04-10 三井建設株式会社 立坑掘削装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5015503U (pm) * 1973-06-05 1975-02-19

Also Published As

Publication number Publication date
JPS56171890U (pm) 1981-12-18

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