JPS4827544A - - Google Patents

Info

Publication number
JPS4827544A
JPS4827544A JP6271971A JP6271971A JPS4827544A JP S4827544 A JPS4827544 A JP S4827544A JP 6271971 A JP6271971 A JP 6271971A JP 6271971 A JP6271971 A JP 6271971A JP S4827544 A JPS4827544 A JP S4827544A
Authority
JP
Japan
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
JP6271971A
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 JP6271971A priority Critical patent/JPS4827544A/ja
Publication of JPS4827544A publication Critical patent/JPS4827544A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP6271971A 1971-08-17 1971-08-17 Pending JPS4827544A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6271971A JPS4827544A (ja) 1971-08-17 1971-08-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6271971A JPS4827544A (ja) 1971-08-17 1971-08-17

Publications (1)

Publication Number Publication Date
JPS4827544A true JPS4827544A (ja) 1973-04-11

Family

ID=13208420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6271971A Pending JPS4827544A (ja) 1971-08-17 1971-08-17

Country Status (1)

Country Link
JP (1) JPS4827544A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130013A (en) * 1975-05-06 1976-11-12 Komatsu Mfg Co Ltd Driving direction control device for underground pipe laying apparatus
JPS53126731A (en) * 1977-04-11 1978-11-06 Tekken Constr Co Device for correcting direction of excavator and method of excavating same
JPS57137596A (en) * 1981-02-18 1982-08-25 Hitachi Construction Machinery Excavation direction control of shielded excavator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130013A (en) * 1975-05-06 1976-11-12 Komatsu Mfg Co Ltd Driving direction control device for underground pipe laying apparatus
JPS53126731A (en) * 1977-04-11 1978-11-06 Tekken Constr Co Device for correcting direction of excavator and method of excavating same
JPS57137596A (en) * 1981-02-18 1982-08-25 Hitachi Construction Machinery Excavation direction control of shielded excavator
JPS6156755B2 (ja) * 1981-02-18 1986-12-03 Hitachi Kenki Kk

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