JPS50131139U - - Google Patents

Info

Publication number
JPS50131139U
JPS50131139U JP4197074U JP4197074U JPS50131139U JP S50131139 U JPS50131139 U JP S50131139U JP 4197074 U JP4197074 U JP 4197074U JP 4197074 U JP4197074 U JP 4197074U JP S50131139 U JPS50131139 U JP S50131139U
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.)
Granted
Application number
JP4197074U
Other languages
Japanese (ja)
Other versions
JPS531224Y2 (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 JP1974041970U priority Critical patent/JPS531224Y2/ja
Publication of JPS50131139U publication Critical patent/JPS50131139U/ja
Application granted granted Critical
Publication of JPS531224Y2 publication Critical patent/JPS531224Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1974041970U 1974-04-15 1974-04-15 Expired JPS531224Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1974041970U JPS531224Y2 (en) 1974-04-15 1974-04-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974041970U JPS531224Y2 (en) 1974-04-15 1974-04-15

Publications (2)

Publication Number Publication Date
JPS50131139U true JPS50131139U (en) 1975-10-28
JPS531224Y2 JPS531224Y2 (en) 1978-01-14

Family

ID=28170365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974041970U Expired JPS531224Y2 (en) 1974-04-15 1974-04-15

Country Status (1)

Country Link
JP (1) JPS531224Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128633A (en) * 1976-04-21 1977-10-28 Hitachi Construction Machinery Earth pressure control method of tunnel excavator
JPS5659289U (en) * 1980-10-16 1981-05-21

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561223A (en) * 1968-07-09 1971-02-09 John R Tabor Tunneling machine with concrete wall forming mechanism
JPS4832194U (en) * 1971-08-19 1973-04-18
JPS4917029A (en) * 1972-06-10 1974-02-15

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561223A (en) * 1968-07-09 1971-02-09 John R Tabor Tunneling machine with concrete wall forming mechanism
JPS4832194U (en) * 1971-08-19 1973-04-18
JPS4917029A (en) * 1972-06-10 1974-02-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52128633A (en) * 1976-04-21 1977-10-28 Hitachi Construction Machinery Earth pressure control method of tunnel excavator
JPS5659289U (en) * 1980-10-16 1981-05-21

Also Published As

Publication number Publication date
JPS531224Y2 (en) 1978-01-14

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