JPS63130583U - - Google Patents

Info

Publication number
JPS63130583U
JPS63130583U JP2211887U JP2211887U JPS63130583U JP S63130583 U JPS63130583 U JP S63130583U JP 2211887 U JP2211887 U JP 2211887U JP 2211887 U JP2211887 U JP 2211887U JP S63130583 U JPS63130583 U JP S63130583U
Authority
JP
Japan
Prior art keywords
excavation
jack
speed
hydraulic pump
controls
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
JP2211887U
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 JP2211887U priority Critical patent/JPS63130583U/ja
Publication of JPS63130583U publication Critical patent/JPS63130583U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP2211887U 1987-02-19 1987-02-19 Pending JPS63130583U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2211887U JPS63130583U (enrdf_load_stackoverflow) 1987-02-19 1987-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2211887U JPS63130583U (enrdf_load_stackoverflow) 1987-02-19 1987-02-19

Publications (1)

Publication Number Publication Date
JPS63130583U true JPS63130583U (enrdf_load_stackoverflow) 1988-08-26

Family

ID=30819197

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2211887U Pending JPS63130583U (enrdf_load_stackoverflow) 1987-02-19 1987-02-19

Country Status (1)

Country Link
JP (1) JPS63130583U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04140397A (ja) * 1990-10-01 1992-05-14 Hitachi Constr Mach Co Ltd シールドジャッキの速度制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04140397A (ja) * 1990-10-01 1992-05-14 Hitachi Constr Mach Co Ltd シールドジャッキの速度制御装置

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