JPH0240416Y2 - - Google Patents

Info

Publication number
JPH0240416Y2
JPH0240416Y2 JP2121386U JP2121386U JPH0240416Y2 JP H0240416 Y2 JPH0240416 Y2 JP H0240416Y2 JP 2121386 U JP2121386 U JP 2121386U JP 2121386 U JP2121386 U JP 2121386U JP H0240416 Y2 JPH0240416 Y2 JP H0240416Y2
Authority
JP
Japan
Prior art keywords
tunnel
passage
clean air
clean
section
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.)
Expired
Application number
JP2121386U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62135042U (US06312121-20011106-C00033.png
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 JP2121386U priority Critical patent/JPH0240416Y2/ja
Publication of JPS62135042U publication Critical patent/JPS62135042U/ja
Application granted granted Critical
Publication of JPH0240416Y2 publication Critical patent/JPH0240416Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP2121386U 1986-02-17 1986-02-17 Expired JPH0240416Y2 (US06312121-20011106-C00033.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2121386U JPH0240416Y2 (US06312121-20011106-C00033.png) 1986-02-17 1986-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2121386U JPH0240416Y2 (US06312121-20011106-C00033.png) 1986-02-17 1986-02-17

Publications (2)

Publication Number Publication Date
JPS62135042U JPS62135042U (US06312121-20011106-C00033.png) 1987-08-25
JPH0240416Y2 true JPH0240416Y2 (US06312121-20011106-C00033.png) 1990-10-29

Family

ID=30817448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2121386U Expired JPH0240416Y2 (US06312121-20011106-C00033.png) 1986-02-17 1986-02-17

Country Status (1)

Country Link
JP (1) JPH0240416Y2 (US06312121-20011106-C00033.png)

Also Published As

Publication number Publication date
JPS62135042U (US06312121-20011106-C00033.png) 1987-08-25

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