JPS63159486U - - Google Patents

Info

Publication number
JPS63159486U
JPS63159486U JP4773787U JP4773787U JPS63159486U JP S63159486 U JPS63159486 U JP S63159486U JP 4773787 U JP4773787 U JP 4773787U JP 4773787 U JP4773787 U JP 4773787U JP S63159486 U JPS63159486 U JP S63159486U
Authority
JP
Japan
Prior art keywords
filter
alarm
ventilation fan
replacement
elapsed
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
JP4773787U
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 JP4773787U priority Critical patent/JPS63159486U/ja
Publication of JPS63159486U publication Critical patent/JPS63159486U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Electromechanical Clocks (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Emergency Alarm Devices (AREA)
JP4773787U 1987-04-01 1987-04-01 Pending JPS63159486U (US08197722-20120612-C00042.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4773787U JPS63159486U (US08197722-20120612-C00042.png) 1987-04-01 1987-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4773787U JPS63159486U (US08197722-20120612-C00042.png) 1987-04-01 1987-04-01

Publications (1)

Publication Number Publication Date
JPS63159486U true JPS63159486U (US08197722-20120612-C00042.png) 1988-10-19

Family

ID=30868625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4773787U Pending JPS63159486U (US08197722-20120612-C00042.png) 1987-04-01 1987-04-01

Country Status (1)

Country Link
JP (1) JPS63159486U (US08197722-20120612-C00042.png)

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