JPH0250654U - - Google Patents

Info

Publication number
JPH0250654U
JPH0250654U JP10112389U JP10112389U JPH0250654U JP H0250654 U JPH0250654 U JP H0250654U JP 10112389 U JP10112389 U JP 10112389U JP 10112389 U JP10112389 U JP 10112389U JP H0250654 U JPH0250654 U JP H0250654U
Authority
JP
Japan
Prior art keywords
sensor unit
unit row
sensor
row
underground
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
JP10112389U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0434439Y2 (cs
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 JP1989101123U priority Critical patent/JPH0434439Y2/ja
Publication of JPH0250654U publication Critical patent/JPH0250654U/ja
Application granted granted Critical
Publication of JPH0434439Y2 publication Critical patent/JPH0434439Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)
JP1989101123U 1989-08-31 1989-08-31 Expired JPH0434439Y2 (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989101123U JPH0434439Y2 (cs) 1989-08-31 1989-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989101123U JPH0434439Y2 (cs) 1989-08-31 1989-08-31

Publications (2)

Publication Number Publication Date
JPH0250654U true JPH0250654U (cs) 1990-04-09
JPH0434439Y2 JPH0434439Y2 (cs) 1992-08-17

Family

ID=31329829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989101123U Expired JPH0434439Y2 (cs) 1989-08-31 1989-08-31

Country Status (1)

Country Link
JP (1) JPH0434439Y2 (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04245110A (ja) * 1991-01-30 1992-09-01 Sumitomo Electric Ind Ltd 自己融着性絶縁電線及びそれを用いたコイル
JPH07167733A (ja) * 1993-12-14 1995-07-04 Nissho Kogyo Kk 地中埋設管の破損状態を検査する方法
JP2009216458A (ja) * 2008-03-07 2009-09-24 Toppan Printing Co Ltd ガス濃度分布計測装置
JP2018185125A (ja) * 2017-04-27 2018-11-22 三菱電機ビルテクノサービス株式会社 ガス漏れ検知装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416357A (en) * 1960-05-31 1968-12-17 Rayflex Exploration Company Gas leak surveying
JPS52147289A (en) * 1976-06-02 1977-12-07 Hitachi Ltd Abnormality detection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416357A (en) * 1960-05-31 1968-12-17 Rayflex Exploration Company Gas leak surveying
JPS52147289A (en) * 1976-06-02 1977-12-07 Hitachi Ltd Abnormality detection system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04245110A (ja) * 1991-01-30 1992-09-01 Sumitomo Electric Ind Ltd 自己融着性絶縁電線及びそれを用いたコイル
JPH07167733A (ja) * 1993-12-14 1995-07-04 Nissho Kogyo Kk 地中埋設管の破損状態を検査する方法
JP2009216458A (ja) * 2008-03-07 2009-09-24 Toppan Printing Co Ltd ガス濃度分布計測装置
JP2018185125A (ja) * 2017-04-27 2018-11-22 三菱電機ビルテクノサービス株式会社 ガス漏れ検知装置

Also Published As

Publication number Publication date
JPH0434439Y2 (cs) 1992-08-17

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