JPS6382000U - - Google Patents

Info

Publication number
JPS6382000U
JPS6382000U JP17538486U JP17538486U JPS6382000U JP S6382000 U JPS6382000 U JP S6382000U JP 17538486 U JP17538486 U JP 17538486U JP 17538486 U JP17538486 U JP 17538486U JP S6382000 U JPS6382000 U JP S6382000U
Authority
JP
Japan
Prior art keywords
tunnel
tunnels
ventilation
evacuation
healthy
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.)
Granted
Application number
JP17538486U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0349200Y2 (enrdf_load_stackoverflow
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 JP17538486U priority Critical patent/JPH0349200Y2/ja
Publication of JPS6382000U publication Critical patent/JPS6382000U/ja
Application granted granted Critical
Publication of JPH0349200Y2 publication Critical patent/JPH0349200Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP17538486U 1986-11-17 1986-11-17 Expired JPH0349200Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17538486U JPH0349200Y2 (enrdf_load_stackoverflow) 1986-11-17 1986-11-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17538486U JPH0349200Y2 (enrdf_load_stackoverflow) 1986-11-17 1986-11-17

Publications (2)

Publication Number Publication Date
JPS6382000U true JPS6382000U (enrdf_load_stackoverflow) 1988-05-30
JPH0349200Y2 JPH0349200Y2 (enrdf_load_stackoverflow) 1991-10-21

Family

ID=31114660

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17538486U Expired JPH0349200Y2 (enrdf_load_stackoverflow) 1986-11-17 1986-11-17

Country Status (1)

Country Link
JP (1) JPH0349200Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0349200Y2 (enrdf_load_stackoverflow) 1991-10-21

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