JPS623898U - - Google Patents

Info

Publication number
JPS623898U
JPS623898U JP9481785U JP9481785U JPS623898U JP S623898 U JPS623898 U JP S623898U JP 9481785 U JP9481785 U JP 9481785U JP 9481785 U JP9481785 U JP 9481785U JP S623898 U JPS623898 U JP S623898U
Authority
JP
Japan
Prior art keywords
pressure chamber
earth
cylindrical support
sand
connecting member
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
JP9481785U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0330471Y2 (fr
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 JP9481785U priority Critical patent/JPH0330471Y2/ja
Publication of JPS623898U publication Critical patent/JPS623898U/ja
Application granted granted Critical
Publication of JPH0330471Y2 publication Critical patent/JPH0330471Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP9481785U 1985-06-21 1985-06-21 Expired JPH0330471Y2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9481785U JPH0330471Y2 (fr) 1985-06-21 1985-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9481785U JPH0330471Y2 (fr) 1985-06-21 1985-06-21

Publications (2)

Publication Number Publication Date
JPS623898U true JPS623898U (fr) 1987-01-10
JPH0330471Y2 JPH0330471Y2 (fr) 1991-06-27

Family

ID=30653609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9481785U Expired JPH0330471Y2 (fr) 1985-06-21 1985-06-21

Country Status (1)

Country Link
JP (1) JPH0330471Y2 (fr)

Also Published As

Publication number Publication date
JPH0330471Y2 (fr) 1991-06-27

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