JPS6243037Y2 - - Google Patents

Info

Publication number
JPS6243037Y2
JPS6243037Y2 JP8952983U JP8952983U JPS6243037Y2 JP S6243037 Y2 JPS6243037 Y2 JP S6243037Y2 JP 8952983 U JP8952983 U JP 8952983U JP 8952983 U JP8952983 U JP 8952983U JP S6243037 Y2 JPS6243037 Y2 JP S6243037Y2
Authority
JP
Japan
Prior art keywords
air vent
vent pipe
concrete
segments
segment
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
JP8952983U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60498U (ja
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 JP8952983U priority Critical patent/JPS60498U/ja
Publication of JPS60498U publication Critical patent/JPS60498U/ja
Application granted granted Critical
Publication of JPS6243037Y2 publication Critical patent/JPS6243037Y2/ja
Granted legal-status Critical Current

Links

JP8952983U 1983-06-10 1983-06-10 トンネル施工用空気抜きパイプ Granted JPS60498U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8952983U JPS60498U (ja) 1983-06-10 1983-06-10 トンネル施工用空気抜きパイプ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8952983U JPS60498U (ja) 1983-06-10 1983-06-10 トンネル施工用空気抜きパイプ

Publications (2)

Publication Number Publication Date
JPS60498U JPS60498U (ja) 1985-01-05
JPS6243037Y2 true JPS6243037Y2 (enrdf_load_stackoverflow) 1987-11-06

Family

ID=30219430

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8952983U Granted JPS60498U (ja) 1983-06-10 1983-06-10 トンネル施工用空気抜きパイプ

Country Status (1)

Country Link
JP (1) JPS60498U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60498U (ja) 1985-01-05

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