JPH01146651U - - Google Patents

Info

Publication number
JPH01146651U
JPH01146651U JP4025188U JP4025188U JPH01146651U JP H01146651 U JPH01146651 U JP H01146651U JP 4025188 U JP4025188 U JP 4025188U JP 4025188 U JP4025188 U JP 4025188U JP H01146651 U JPH01146651 U JP H01146651U
Authority
JP
Japan
Prior art keywords
office line
extension telephone
busy
line
control circuit
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
JP4025188U
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 JP4025188U priority Critical patent/JPH01146651U/ja
Publication of JPH01146651U publication Critical patent/JPH01146651U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP4025188U 1988-03-29 1988-03-29 Pending JPH01146651U (US07993877-20110809-P00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4025188U JPH01146651U (US07993877-20110809-P00003.png) 1988-03-29 1988-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4025188U JPH01146651U (US07993877-20110809-P00003.png) 1988-03-29 1988-03-29

Publications (1)

Publication Number Publication Date
JPH01146651U true JPH01146651U (US07993877-20110809-P00003.png) 1989-10-09

Family

ID=31266725

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4025188U Pending JPH01146651U (US07993877-20110809-P00003.png) 1988-03-29 1988-03-29

Country Status (1)

Country Link
JP (1) JPH01146651U (US07993877-20110809-P00003.png)

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