JPS53884B2 - - Google Patents

Info

Publication number
JPS53884B2
JPS53884B2 JP4617072A JP4617072A JPS53884B2 JP S53884 B2 JPS53884 B2 JP S53884B2 JP 4617072 A JP4617072 A JP 4617072A JP 4617072 A JP4617072 A JP 4617072A JP S53884 B2 JPS53884 B2 JP S53884B2
Authority
JP
Japan
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
JP4617072A
Other languages
Japanese (ja)
Other versions
JPS498106A (enrdf_load_stackoverflow
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 JP4617072A priority Critical patent/JPS53884B2/ja
Publication of JPS498106A publication Critical patent/JPS498106A/ja
Publication of JPS53884B2 publication Critical patent/JPS53884B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP4617072A 1972-05-10 1972-05-10 Expired JPS53884B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4617072A JPS53884B2 (enrdf_load_stackoverflow) 1972-05-10 1972-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4617072A JPS53884B2 (enrdf_load_stackoverflow) 1972-05-10 1972-05-10

Publications (2)

Publication Number Publication Date
JPS498106A JPS498106A (enrdf_load_stackoverflow) 1974-01-24
JPS53884B2 true JPS53884B2 (enrdf_load_stackoverflow) 1978-01-12

Family

ID=12739533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4617072A Expired JPS53884B2 (enrdf_load_stackoverflow) 1972-05-10 1972-05-10

Country Status (1)

Country Link
JP (1) JPS53884B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437609A (en) * 1977-08-31 1979-03-20 Toshiba Corp Extension call system
JPS5442901A (en) * 1977-09-12 1979-04-05 Kanda Tsushin Kogyo Kk Extension circuit control system for key telephone set

Also Published As

Publication number Publication date
JPS498106A (enrdf_load_stackoverflow) 1974-01-24

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