JPS63174855U - - Google Patents

Info

Publication number
JPS63174855U
JPS63174855U JP12732986U JP12732986U JPS63174855U JP S63174855 U JPS63174855 U JP S63174855U JP 12732986 U JP12732986 U JP 12732986U JP 12732986 U JP12732986 U JP 12732986U JP S63174855 U JPS63174855 U JP S63174855U
Authority
JP
Japan
Prior art keywords
manhole
fire
outputs
received light
light level
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.)
Pending
Application number
JP12732986U
Other languages
English (en)
Japanese (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 JP12732986U priority Critical patent/JPS63174855U/ja
Publication of JPS63174855U publication Critical patent/JPS63174855U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Fire Alarms (AREA)
JP12732986U 1986-08-21 1986-08-21 Pending JPS63174855U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12732986U JPS63174855U (enrdf_load_stackoverflow) 1986-08-21 1986-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12732986U JPS63174855U (enrdf_load_stackoverflow) 1986-08-21 1986-08-21

Publications (1)

Publication Number Publication Date
JPS63174855U true JPS63174855U (enrdf_load_stackoverflow) 1988-11-14

Family

ID=31021975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12732986U Pending JPS63174855U (enrdf_load_stackoverflow) 1986-08-21 1986-08-21

Country Status (1)

Country Link
JP (1) JPS63174855U (enrdf_load_stackoverflow)

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