JPH01142892U - - Google Patents

Info

Publication number
JPH01142892U
JPH01142892U JP4052088U JP4052088U JPH01142892U JP H01142892 U JPH01142892 U JP H01142892U JP 4052088 U JP4052088 U JP 4052088U JP 4052088 U JP4052088 U JP 4052088U JP H01142892 U JPH01142892 U JP H01142892U
Authority
JP
Japan
Prior art keywords
bell
time
bells
signal device
sounds
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
JP4052088U
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 JP4052088U priority Critical patent/JPH01142892U/ja
Publication of JPH01142892U publication Critical patent/JPH01142892U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Predetermined Time Intervals (AREA)
  • Electronic Switches (AREA)
JP4052088U 1988-03-28 1988-03-28 Pending JPH01142892U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4052088U JPH01142892U (enrdf_load_stackoverflow) 1988-03-28 1988-03-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4052088U JPH01142892U (enrdf_load_stackoverflow) 1988-03-28 1988-03-28

Publications (1)

Publication Number Publication Date
JPH01142892U true JPH01142892U (enrdf_load_stackoverflow) 1989-09-29

Family

ID=31266990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4052088U Pending JPH01142892U (enrdf_load_stackoverflow) 1988-03-28 1988-03-28

Country Status (1)

Country Link
JP (1) JPH01142892U (enrdf_load_stackoverflow)

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