JPH0492094U - - Google Patents

Info

Publication number
JPH0492094U
JPH0492094U JP40617290U JP40617290U JPH0492094U JP H0492094 U JPH0492094 U JP H0492094U JP 40617290 U JP40617290 U JP 40617290U JP 40617290 U JP40617290 U JP 40617290U JP H0492094 U JPH0492094 U JP H0492094U
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
JP40617290U
Other languages
Japanese (ja)
Other versions
JP2530116Y2 (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 JP1990406172U priority Critical patent/JP2530116Y2/ja
Publication of JPH0492094U publication Critical patent/JPH0492094U/ja
Application granted granted Critical
Publication of JP2530116Y2 publication Critical patent/JP2530116Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1990406172U 1990-12-27 1990-12-27 掘削孔の止水装置 Expired - Lifetime JP2530116Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990406172U JP2530116Y2 (ja) 1990-12-27 1990-12-27 掘削孔の止水装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990406172U JP2530116Y2 (ja) 1990-12-27 1990-12-27 掘削孔の止水装置

Publications (2)

Publication Number Publication Date
JPH0492094U true JPH0492094U (enExample) 1992-08-11
JP2530116Y2 JP2530116Y2 (ja) 1997-03-26

Family

ID=31883471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990406172U Expired - Lifetime JP2530116Y2 (ja) 1990-12-27 1990-12-27 掘削孔の止水装置

Country Status (1)

Country Link
JP (1) JP2530116Y2 (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5733727U (enExample) * 1980-08-02 1982-02-22
JPS57165594A (en) * 1979-12-20 1982-10-12 Halliburton Co Detachable plug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165594A (en) * 1979-12-20 1982-10-12 Halliburton Co Detachable plug
JPS5733727U (enExample) * 1980-08-02 1982-02-22

Also Published As

Publication number Publication date
JP2530116Y2 (ja) 1997-03-26

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