JPS50156218A - - Google Patents

Info

Publication number
JPS50156218A
JPS50156218A JP6432774A JP6432774A JPS50156218A JP S50156218 A JPS50156218 A JP S50156218A JP 6432774 A JP6432774 A JP 6432774A JP 6432774 A JP6432774 A JP 6432774A JP S50156218 A JPS50156218 A JP S50156218A
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
JP6432774A
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 JP6432774A priority Critical patent/JPS50156218A/ja
Publication of JPS50156218A publication Critical patent/JPS50156218A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP6432774A 1974-06-05 1974-06-05 Pending JPS50156218A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6432774A JPS50156218A (ja) 1974-06-05 1974-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6432774A JPS50156218A (ja) 1974-06-05 1974-06-05

Publications (1)

Publication Number Publication Date
JPS50156218A true JPS50156218A (ja) 1975-12-17

Family

ID=13255017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6432774A Pending JPS50156218A (ja) 1974-06-05 1974-06-05

Country Status (1)

Country Link
JP (1) JPS50156218A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149512A (ja) * 1974-10-25 1976-04-28 Kido Kensetsu Kogyo Atsukishikisuishinkoho
JPS5358134A (en) * 1976-11-08 1978-05-25 Kumagai Gumi Co Ltd Starting method of shield system tunnel excavator
JPH0274788A (ja) * 1988-09-12 1990-03-14 Nakazawa Seisakusho:Kk 竪坑の坑壁への穿孔に用いる密封装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149512A (ja) * 1974-10-25 1976-04-28 Kido Kensetsu Kogyo Atsukishikisuishinkoho
JPS5358134A (en) * 1976-11-08 1978-05-25 Kumagai Gumi Co Ltd Starting method of shield system tunnel excavator
JPH0274788A (ja) * 1988-09-12 1990-03-14 Nakazawa Seisakusho:Kk 竪坑の坑壁への穿孔に用いる密封装置

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