JPS63183698U - - Google Patents

Info

Publication number
JPS63183698U
JPS63183698U JP7273787U JP7273787U JPS63183698U JP S63183698 U JPS63183698 U JP S63183698U JP 7273787 U JP7273787 U JP 7273787U JP 7273787 U JP7273787 U JP 7273787U JP S63183698 U JPS63183698 U JP S63183698U
Authority
JP
Japan
Prior art keywords
central monitoring
unit
call
line
telephone line
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
JP7273787U
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 JP7273787U priority Critical patent/JPS63183698U/ja
Publication of JPS63183698U publication Critical patent/JPS63183698U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Audible And Visible Signals (AREA)
  • Alarm Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Selective Calling Equipment (AREA)
JP7273787U 1987-05-15 1987-05-15 Pending JPS63183698U (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7273787U JPS63183698U (pt) 1987-05-15 1987-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7273787U JPS63183698U (pt) 1987-05-15 1987-05-15

Publications (1)

Publication Number Publication Date
JPS63183698U true JPS63183698U (pt) 1988-11-25

Family

ID=30916457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7273787U Pending JPS63183698U (pt) 1987-05-15 1987-05-15

Country Status (1)

Country Link
JP (1) JPS63183698U (pt)

Similar Documents

Publication Publication Date Title
JPS63183698U (pt)
JPH01171153U (pt)
JPH0434611Y2 (pt)
JPH04112757U (ja) Nc工作機械監視通報装置
JPS63180672U (pt)
JPS61128790U (pt)
JPS60155253U (ja) 集合住宅用監視通話システム
JPS6320648U (pt)
JP2645029B2 (ja) 構内電話交換機
JPS62133582U (pt)
JPS6093359U (ja) 集合住宅用インタ−ホンシステム
JPS62121870U (pt)
JPS63151096U (pt)
JPH0221954U (pt)
JPS6114555U (ja) 複合交換機
JPS62240278A (ja) 非常相互通話装置
JPS6322495B2 (pt)
JPH0196092U (pt)
JPS6224554U (pt)
JPH03157095A (ja) コードレス電話システム
JPH0325993U (pt)
JPS645580U (pt)
JPH0375664U (pt)
JPH03130645U (pt)
JPH0324756U (pt)