JPS61122479U - - Google Patents

Info

Publication number
JPS61122479U
JPS61122479U JP604785U JP604785U JPS61122479U JP S61122479 U JPS61122479 U JP S61122479U JP 604785 U JP604785 U JP 604785U JP 604785 U JP604785 U JP 604785U JP S61122479 U JPS61122479 U JP S61122479U
Authority
JP
Japan
Prior art keywords
main body
diameter
small
buried pipe
self
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.)
Granted
Application number
JP604785U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0247345Y2 (US06235095-20010522-C00021.png
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 JP1985006047U priority Critical patent/JPH0247345Y2/ja
Publication of JPS61122479U publication Critical patent/JPS61122479U/ja
Application granted granted Critical
Publication of JPH0247345Y2 publication Critical patent/JPH0247345Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1985006047U 1985-01-19 1985-01-19 Expired JPH0247345Y2 (US06235095-20010522-C00021.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985006047U JPH0247345Y2 (US06235095-20010522-C00021.png) 1985-01-19 1985-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985006047U JPH0247345Y2 (US06235095-20010522-C00021.png) 1985-01-19 1985-01-19

Publications (2)

Publication Number Publication Date
JPS61122479U true JPS61122479U (US06235095-20010522-C00021.png) 1986-08-01
JPH0247345Y2 JPH0247345Y2 (US06235095-20010522-C00021.png) 1990-12-12

Family

ID=30483124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985006047U Expired JPH0247345Y2 (US06235095-20010522-C00021.png) 1985-01-19 1985-01-19

Country Status (1)

Country Link
JP (1) JPH0247345Y2 (US06235095-20010522-C00021.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54150718A (en) * 1978-05-19 1979-11-27 Mitsubishi Chem Ind Ltd Pipe inner-side moving device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54150718A (en) * 1978-05-19 1979-11-27 Mitsubishi Chem Ind Ltd Pipe inner-side moving device

Also Published As

Publication number Publication date
JPH0247345Y2 (US06235095-20010522-C00021.png) 1990-12-12

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