AU140233B2 - Improvements in Automatic Telephone Systems - Google Patents

Improvements in Automatic Telephone Systems

Info

Publication number: AU140233B2
Authority: AU; Australia
Prior art keywords: telephone systems; automatic telephone; automatic; systems; telephone
Prior art date: 1948-02-18
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

AU18573/48A

Other versions

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.)

STC PLC

Original Assignee

Standard Telephone and Cables PLC

Filing date

1948-02-18

Publication date

1948-03-18

1948-02-18 Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC

1948-03-18 Application granted granted Critical

1948-03-18 Publication of AU1857348A publication Critical patent/AU1857348A/en

1948-03-18 Publication of AU140233B2 publication Critical patent/AU140233B2/en

Status Expired legal-status Critical Current

Links

AU18573/48A 1948-02-18 Improvements in Automatic Telephone Systems Expired AU140233B2 (en)

Publications (2)

Publication Number	Publication Date
AU1857348A AU1857348A (en)	1948-03-18
AU140233B2 true AU140233B2 (en)	1948-03-18

Family

ID=

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