JPS60498U - トンネル施工用空気抜きパイプ - Google Patents

トンネル施工用空気抜きパイプ

Info

Publication number
JPS60498U
JPS60498U JP8952983U JP8952983U JPS60498U JP S60498 U JPS60498 U JP S60498U JP 8952983 U JP8952983 U JP 8952983U JP 8952983 U JP8952983 U JP 8952983U JP S60498 U JPS60498 U JP S60498U
Authority
JP
Japan
Prior art keywords
air vent
vent pipe
tunnel construction
portions
bent
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
JP8952983U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6243037Y2 (enrdf_load_stackoverflow
Inventor
敏雄 下田
石井　義剛
Original Assignee
泉商事株式会社
江口　久明
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 泉商事株式会社, 江口　久明 filed Critical 泉商事株式会社
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 true JPS60498U (ja) 1985-01-05
JPS6243037Y2 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
JPS6243037Y2 (enrdf_load_stackoverflow) 1987-11-06

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