JPH0247345Y2 - - Google Patents

Info

Publication number
JPH0247345Y2
JPH0247345Y2 JP1985006047U JP604785U JPH0247345Y2 JP H0247345 Y2 JPH0247345 Y2 JP H0247345Y2 JP 1985006047 U JP1985006047 U JP 1985006047U JP 604785 U JP604785 U JP 604785U JP H0247345 Y2 JPH0247345 Y2 JP H0247345Y2
Authority
JP
Japan
Prior art keywords
pipe
main body
self
diameter
small
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.)
Expired
Application number
JP1985006047U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61122479U (pm
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 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985006047U JPH0247345Y2 (pm) 1985-01-19 1985-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985006047U JPH0247345Y2 (pm) 1985-01-19 1985-01-19

Publications (2)

Publication Number Publication Date
JPS61122479U JPS61122479U (pm) 1986-08-01
JPH0247345Y2 true JPH0247345Y2 (pm) 1990-12-12

Family

ID=30483124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985006047U Expired JPH0247345Y2 (pm) 1985-01-19 1985-01-19

Country Status (1)

Country Link
JP (1) JPH0247345Y2 (pm)

Family Cites Families (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
JPS61122479U (pm) 1986-08-01

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