JPS4953705A - - Google Patents

Info

Publication number
JPS4953705A
JPS4953705A JP9749972A JP9749972A JPS4953705A JP S4953705 A JPS4953705 A JP S4953705A JP 9749972 A JP9749972 A JP 9749972A JP 9749972 A JP9749972 A JP 9749972A JP S4953705 A JPS4953705 A JP S4953705A
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.)
Granted
Application number
JP9749972A
Other languages
Japanese (ja)
Other versions
JPS5330284B2 (en:Method
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 JP9749972A priority Critical patent/JPS5330284B2/ja
Publication of JPS4953705A publication Critical patent/JPS4953705A/ja
Publication of JPS5330284B2 publication Critical patent/JPS5330284B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP9749972A 1972-09-28 1972-09-28 Expired JPS5330284B2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9749972A JPS5330284B2 (en:Method) 1972-09-28 1972-09-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9749972A JPS5330284B2 (en:Method) 1972-09-28 1972-09-28

Publications (2)

Publication Number Publication Date
JPS4953705A true JPS4953705A (en:Method) 1974-05-24
JPS5330284B2 JPS5330284B2 (en:Method) 1978-08-25

Family

ID=14193943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9749972A Expired JPS5330284B2 (en:Method) 1972-09-28 1972-09-28

Country Status (1)

Country Link
JP (1) JPS5330284B2 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5673953A (en) * 1979-11-22 1981-06-19 Iwatsu Electric Co Ltd Extension callout system in button telephone device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170269U (en:Method) * 1981-04-22 1982-10-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5673953A (en) * 1979-11-22 1981-06-19 Iwatsu Electric Co Ltd Extension callout system in button telephone device

Also Published As

Publication number Publication date
JPS5330284B2 (en:Method) 1978-08-25

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