JPH0492091U - - Google Patents

Info

Publication number
JPH0492091U
JPH0492091U JP40098490U JP40098490U JPH0492091U JP H0492091 U JPH0492091 U JP H0492091U JP 40098490 U JP40098490 U JP 40098490U JP 40098490 U JP40098490 U JP 40098490U JP H0492091 U JPH0492091 U JP H0492091U
Authority
JP
Japan
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.)
Granted
Application number
JP40098490U
Other languages
Japanese (ja)
Other versions
JPH0735909Y2 (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 JP1990400984U priority Critical patent/JPH0735909Y2/ja
Publication of JPH0492091U publication Critical patent/JPH0492091U/ja
Application granted granted Critical
Publication of JPH0735909Y2 publication Critical patent/JPH0735909Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1990400984U 1990-12-19 1990-12-19 アースドリルのケリーバ Expired - Fee Related JPH0735909Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990400984U JPH0735909Y2 (ja) 1990-12-19 1990-12-19 アースドリルのケリーバ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990400984U JPH0735909Y2 (ja) 1990-12-19 1990-12-19 アースドリルのケリーバ

Publications (2)

Publication Number Publication Date
JPH0492091U true JPH0492091U (en]) 1992-08-11
JPH0735909Y2 JPH0735909Y2 (ja) 1995-08-16

Family

ID=31879147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990400984U Expired - Fee Related JPH0735909Y2 (ja) 1990-12-19 1990-12-19 アースドリルのケリーバ

Country Status (1)

Country Link
JP (1) JPH0735909Y2 (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0198294U (en]) * 1987-12-21 1989-06-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0198294U (en]) * 1987-12-21 1989-06-30

Also Published As

Publication number Publication date
JPH0735909Y2 (ja) 1995-08-16

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Legal Events

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