JPS6324543Y2 - - Google Patents

Info

Publication number
JPS6324543Y2
JPS6324543Y2 JP2686581U JP2686581U JPS6324543Y2 JP S6324543 Y2 JPS6324543 Y2 JP S6324543Y2 JP 2686581 U JP2686581 U JP 2686581U JP 2686581 U JP2686581 U JP 2686581U JP S6324543 Y2 JPS6324543 Y2 JP S6324543Y2
Authority
JP
Japan
Prior art keywords
gas
concentration
light emitting
gas leak
emitting diode
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.)
Expired
Application number
JP2686581U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57140495U (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 JP2686581U priority Critical patent/JPS6324543Y2/ja
Publication of JPS57140495U publication Critical patent/JPS57140495U/ja
Application granted granted Critical
Publication of JPS6324543Y2 publication Critical patent/JPS6324543Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
JP2686581U 1981-02-27 1981-02-27 Expired JPS6324543Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2686581U JPS6324543Y2 (en]) 1981-02-27 1981-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2686581U JPS6324543Y2 (en]) 1981-02-27 1981-02-27

Publications (2)

Publication Number Publication Date
JPS57140495U JPS57140495U (en]) 1982-09-02
JPS6324543Y2 true JPS6324543Y2 (en]) 1988-07-05

Family

ID=29824591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2686581U Expired JPS6324543Y2 (en]) 1981-02-27 1981-02-27

Country Status (1)

Country Link
JP (1) JPS6324543Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59134889U (ja) * 1983-02-28 1984-09-08 矢崎総業株式会社 ガス警報器

Also Published As

Publication number Publication date
JPS57140495U (en]) 1982-09-02

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