JPS5376530A - Method of improving working environment in tunnel - Google Patents

Method of improving working environment in tunnel

Info

Publication number
JPS5376530A
JPS5376530A JP15260776A JP15260776A JPS5376530A JP S5376530 A JPS5376530 A JP S5376530A JP 15260776 A JP15260776 A JP 15260776A JP 15260776 A JP15260776 A JP 15260776A JP S5376530 A JPS5376530 A JP S5376530A
Authority
JP
Japan
Prior art keywords
tunnel
working environment
improving working
improving
environment
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
JP15260776A
Other languages
Japanese (ja)
Inventor
Tadayoshi Oonuma
Yuuji Yamaoka
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.)
Iseki Kaihatsu Koki KK
Original Assignee
Iseki Kaihatsu Koki KK
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 Iseki Kaihatsu Koki KK filed Critical Iseki Kaihatsu Koki KK
Priority to JP15260776A priority Critical patent/JPS5376530A/en
Publication of JPS5376530A publication Critical patent/JPS5376530A/en
Pending legal-status Critical Current

Links

JP15260776A 1976-12-17 1976-12-17 Method of improving working environment in tunnel Pending JPS5376530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15260776A JPS5376530A (en) 1976-12-17 1976-12-17 Method of improving working environment in tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15260776A JPS5376530A (en) 1976-12-17 1976-12-17 Method of improving working environment in tunnel

Publications (1)

Publication Number Publication Date
JPS5376530A true JPS5376530A (en) 1978-07-07

Family

ID=15544087

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15260776A Pending JPS5376530A (en) 1976-12-17 1976-12-17 Method of improving working environment in tunnel

Country Status (1)

Country Link
JP (1) JPS5376530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018031129A (en) * 2016-08-22 2018-03-01 住友金属鉱山株式会社 Air-conditioning support system in tunnel

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973843A (en) * 1972-11-22 1974-07-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973843A (en) * 1972-11-22 1974-07-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018031129A (en) * 2016-08-22 2018-03-01 住友金属鉱山株式会社 Air-conditioning support system in tunnel

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