JPS5631440B2 - - Google Patents

Info

Publication number
JPS5631440B2
JPS5631440B2 JP7898874A JP7898874A JPS5631440B2 JP S5631440 B2 JPS5631440 B2 JP S5631440B2 JP 7898874 A JP7898874 A JP 7898874A JP 7898874 A JP7898874 A JP 7898874A JP S5631440 B2 JPS5631440 B2 JP S5631440B2
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.)
Expired
Application number
JP7898874A
Other languages
Japanese (ja)
Other versions
JPS517735A (en
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 JP7898874A priority Critical patent/JPS517735A/ja
Publication of JPS517735A publication Critical patent/JPS517735A/ja
Publication of JPS5631440B2 publication Critical patent/JPS5631440B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
  • Air Transport Of Granular Materials (AREA)
JP7898874A 1974-07-09 1974-07-09 Suidokojitoniokeru kutsusakudoshahanshutsusochi Granted JPS517735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7898874A JPS517735A (en) 1974-07-09 1974-07-09 Suidokojitoniokeru kutsusakudoshahanshutsusochi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7898874A JPS517735A (en) 1974-07-09 1974-07-09 Suidokojitoniokeru kutsusakudoshahanshutsusochi

Publications (2)

Publication Number Publication Date
JPS517735A JPS517735A (en) 1976-01-22
JPS5631440B2 true JPS5631440B2 (en]) 1981-07-21

Family

ID=13677264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7898874A Granted JPS517735A (en) 1974-07-09 1974-07-09 Suidokojitoniokeru kutsusakudoshahanshutsusochi

Country Status (1)

Country Link
JP (1) JPS517735A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0197104U (en]) * 1987-12-17 1989-06-28

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153089A (en) * 1980-04-28 1981-11-26 Takeshi Yamamoto Labor-saving large calibre drilling
JPS57140495A (en) * 1981-02-24 1982-08-31 Nippon Telegraph & Telephone Construction of small-diameter tunnel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0197104U (en]) * 1987-12-17 1989-06-28

Also Published As

Publication number Publication date
JPS517735A (en) 1976-01-22

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