JPS63141286U - - Google Patents

Info

Publication number
JPS63141286U
JPS63141286U JP3312787U JP3312787U JPS63141286U JP S63141286 U JPS63141286 U JP S63141286U JP 3312787 U JP3312787 U JP 3312787U JP 3312787 U JP3312787 U JP 3312787U JP S63141286 U JPS63141286 U JP S63141286U
Authority
JP
Japan
Prior art keywords
auger
recess
rotating body
tail end
horizontal hole
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.)
Pending
Application number
JP3312787U
Other languages
English (en)
Japanese (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 JP3312787U priority Critical patent/JPS63141286U/ja
Publication of JPS63141286U publication Critical patent/JPS63141286U/ja
Pending legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)
JP3312787U 1987-03-09 1987-03-09 Pending JPS63141286U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3312787U JPS63141286U (zh) 1987-03-09 1987-03-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3312787U JPS63141286U (zh) 1987-03-09 1987-03-09

Publications (1)

Publication Number Publication Date
JPS63141286U true JPS63141286U (zh) 1988-09-16

Family

ID=30840445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3312787U Pending JPS63141286U (zh) 1987-03-09 1987-03-09

Country Status (1)

Country Link
JP (1) JPS63141286U (zh)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126290A (ja) * 1984-11-22 1986-06-13 東京瓦斯株式会社 横穴掘進装置のスクリユ−オ−ガ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126290A (ja) * 1984-11-22 1986-06-13 東京瓦斯株式会社 横穴掘進装置のスクリユ−オ−ガ

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