AU441337B2 - Automatic private branch exchange - Google Patents

Automatic private branch exchange

Info

Publication number
AU441337B2
AU441337B2 AU65760/69A AU6576069A AU441337B2 AU 441337 B2 AU441337 B2 AU 441337B2 AU 65760/69 A AU65760/69 A AU 65760/69A AU 6576069 A AU6576069 A AU 6576069A AU 441337 B2 AU441337 B2 AU 441337B2
Authority
AU
Australia
Prior art keywords
private branch
branch exchange
automatic private
automatic
exchange
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.)
Expired
Application number
AU65760/69A
Other versions
AU6576069A (en
Inventor
YASUKICHI ARAI and MINEO YOSHIZAKI TADAHIKO AKIYAMA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of AU6576069A publication Critical patent/AU6576069A/en
Publication of AU441337B2 publication Critical patent/AU441337B2/en
Expired legal-status Critical Current

Links

AU65760/69A 1968-12-25 1969-12-24 Automatic private branch exchange Expired AU441337B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP94537.68 1968-12-25
JPJP10437/69 1969-02-14

Publications (2)

Publication Number Publication Date
AU6576069A AU6576069A (en) 1971-07-01
AU441337B2 true AU441337B2 (en) 1971-07-01

Family

ID=

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