JPS53122989U - - Google Patents

Info

Publication number
JPS53122989U
JPS53122989U JP2839977U JP2839977U JPS53122989U JP S53122989 U JPS53122989 U JP S53122989U JP 2839977 U JP2839977 U JP 2839977U JP 2839977 U JP2839977 U JP 2839977U JP S53122989 U JPS53122989 U JP S53122989U
Authority
JP
Japan
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
JP2839977U
Other languages
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 JP2839977U priority Critical patent/JPS53122989U/ja
Publication of JPS53122989U publication Critical patent/JPS53122989U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Control Of Combustion (AREA)
  • Fire-Detection Mechanisms (AREA)
JP2839977U 1977-03-08 1977-03-08 Pending JPS53122989U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2839977U JPS53122989U (enrdf_load_html_response) 1977-03-08 1977-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2839977U JPS53122989U (enrdf_load_html_response) 1977-03-08 1977-03-08

Publications (1)

Publication Number Publication Date
JPS53122989U true JPS53122989U (enrdf_load_html_response) 1978-09-30

Family

ID=28874301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2839977U Pending JPS53122989U (enrdf_load_html_response) 1977-03-08 1977-03-08

Country Status (1)

Country Link
JP (1) JPS53122989U (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09265591A (ja) * 1996-03-27 1997-10-07 Nippon Doro Kodan 道路トンネル内に設置される光学式の火災検知器の汚損防止方法及び器具

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050980A (enrdf_load_html_response) * 1973-09-03 1975-05-07
JPS5030782B1 (enrdf_load_html_response) * 1970-12-08 1975-10-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5030782B1 (enrdf_load_html_response) * 1970-12-08 1975-10-03
JPS5050980A (enrdf_load_html_response) * 1973-09-03 1975-05-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09265591A (ja) * 1996-03-27 1997-10-07 Nippon Doro Kodan 道路トンネル内に設置される光学式の火災検知器の汚損防止方法及び器具

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