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 (en]
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

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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 (en])

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=31329829

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPH0434439Y2 (en])

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 (en]) 1992-08-17

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