JPS5238402A - Tunnel excavator - Google Patents

Tunnel excavator

Info

Publication number
JPS5238402A
JPS5238402A JP11457575A JP11457575A JPS5238402A JP S5238402 A JPS5238402 A JP S5238402A JP 11457575 A JP11457575 A JP 11457575A JP 11457575 A JP11457575 A JP 11457575A JP S5238402 A JPS5238402 A JP S5238402A
Authority
JP
Japan
Prior art keywords
tunnel excavator
excavator
tunnel
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
JP11457575A
Other languages
Japanese (ja)
Inventor
Shiyouei Furuya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FURUKAWA KOUGIYOU K K
Furukawa Kogyo Co Ltd
Original Assignee
FURUKAWA KOUGIYOU K K
Furukawa Kogyo Co Ltd
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 by FURUKAWA KOUGIYOU K K, Furukawa Kogyo Co Ltd filed Critical FURUKAWA KOUGIYOU K K
Priority to JP11457575A priority Critical patent/JPS5238402A/en
Publication of JPS5238402A publication Critical patent/JPS5238402A/en
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP11457575A 1975-09-22 1975-09-22 Tunnel excavator Pending JPS5238402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11457575A JPS5238402A (en) 1975-09-22 1975-09-22 Tunnel excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11457575A JPS5238402A (en) 1975-09-22 1975-09-22 Tunnel excavator

Publications (1)

Publication Number Publication Date
JPS5238402A true JPS5238402A (en) 1977-03-25

Family

ID=14641259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11457575A Pending JPS5238402A (en) 1975-09-22 1975-09-22 Tunnel excavator

Country Status (1)

Country Link
JP (1) JPS5238402A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086330A (en) * 1973-11-28 1975-07-11
US4622616A (en) * 1983-11-25 1986-11-11 Kabushiki Kaisha Toshiba Thin film magnetic head for equalizing outputs of a two-channel tracking device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48802U (en) * 1971-05-25 1973-01-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48802U (en) * 1971-05-25 1973-01-08

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086330A (en) * 1973-11-28 1975-07-11
JPS55813B2 (en) * 1973-11-28 1980-01-10
US4622616A (en) * 1983-11-25 1986-11-11 Kabushiki Kaisha Toshiba Thin film magnetic head for equalizing outputs of a two-channel tracking device

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