JPS62133796U - - Google Patents

Info

Publication number
JPS62133796U
JPS62133796U JP1994586U JP1994586U JPS62133796U JP S62133796 U JPS62133796 U JP S62133796U JP 1994586 U JP1994586 U JP 1994586U JP 1994586 U JP1994586 U JP 1994586U JP S62133796 U JPS62133796 U JP S62133796U
Authority
JP
Japan
Prior art keywords
opening
earth
removal device
pressure chamber
closing plate
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.)
Pending
Application number
JP1994586U
Other languages
English (en)
Japanese (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 JP1994586U priority Critical patent/JPS62133796U/ja
Publication of JPS62133796U publication Critical patent/JPS62133796U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1994586U 1986-02-13 1986-02-13 Pending JPS62133796U (en, 2012)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1994586U JPS62133796U (en, 2012) 1986-02-13 1986-02-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1994586U JPS62133796U (en, 2012) 1986-02-13 1986-02-13

Publications (1)

Publication Number Publication Date
JPS62133796U true JPS62133796U (en, 2012) 1987-08-22

Family

ID=30815000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1994586U Pending JPS62133796U (en, 2012) 1986-02-13 1986-02-13

Country Status (1)

Country Link
JP (1) JPS62133796U (en, 2012)

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