JPH03111692U - - Google Patents

Info

Publication number
JPH03111692U
JPH03111692U JP1741490U JP1741490U JPH03111692U JP H03111692 U JPH03111692 U JP H03111692U JP 1741490 U JP1741490 U JP 1741490U JP 1741490 U JP1741490 U JP 1741490U JP H03111692 U JPH03111692 U JP H03111692U
Authority
JP
Japan
Prior art keywords
leading
tube
cylinders
small diameter
fitting
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
JP1741490U
Other languages
English (en)
Japanese (ja)
Other versions
JP2520768Y2 (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 JP1741490U priority Critical patent/JP2520768Y2/ja
Publication of JPH03111692U publication Critical patent/JPH03111692U/ja
Application granted granted Critical
Publication of JP2520768Y2 publication Critical patent/JP2520768Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1741490U 1990-02-26 1990-02-26 小口径管推進機の先導管 Expired - Lifetime JP2520768Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1741490U JP2520768Y2 (ja) 1990-02-26 1990-02-26 小口径管推進機の先導管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1741490U JP2520768Y2 (ja) 1990-02-26 1990-02-26 小口径管推進機の先導管

Publications (2)

Publication Number Publication Date
JPH03111692U true JPH03111692U (US06650917-20031118-M00005.png) 1991-11-15
JP2520768Y2 JP2520768Y2 (ja) 1996-12-18

Family

ID=31520625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1741490U Expired - Lifetime JP2520768Y2 (ja) 1990-02-26 1990-02-26 小口径管推進機の先導管

Country Status (1)

Country Link
JP (1) JP2520768Y2 (US06650917-20031118-M00005.png)

Also Published As

Publication number Publication date
JP2520768Y2 (ja) 1996-12-18

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