JPS63171489U - - Google Patents

Info

Publication number
JPS63171489U
JPS63171489U JP6442087U JP6442087U JPS63171489U JP S63171489 U JPS63171489 U JP S63171489U JP 6442087 U JP6442087 U JP 6442087U JP 6442087 U JP6442087 U JP 6442087U JP S63171489 U JPS63171489 U JP S63171489U
Authority
JP
Japan
Prior art keywords
fixing device
excavation
casing
appear
head
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
JP6442087U
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 JP6442087U priority Critical patent/JPS63171489U/ja
Publication of JPS63171489U publication Critical patent/JPS63171489U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP6442087U 1987-04-27 1987-04-27 Pending JPS63171489U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6442087U JPS63171489U (enExample) 1987-04-27 1987-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6442087U JPS63171489U (enExample) 1987-04-27 1987-04-27

Publications (1)

Publication Number Publication Date
JPS63171489U true JPS63171489U (enExample) 1988-11-08

Family

ID=30900562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6442087U Pending JPS63171489U (enExample) 1987-04-27 1987-04-27

Country Status (1)

Country Link
JP (1) JPS63171489U (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155896A (en) * 1979-05-22 1980-12-04 Hitachi Construction Machinery Rotary excavation bucket

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155896A (en) * 1979-05-22 1980-12-04 Hitachi Construction Machinery Rotary excavation bucket

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