AU101108B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number: AU101108B2
Authority: AU; Australia
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1937-03-09
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

AU956/37A

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.)

Automatic Telephone and Electric Co Ltd

Original Assignee

Automatic Telephone and Electric Co Ltd

Filing date

1937-03-09

Publication date

1937-04-04

1937-03-09 Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd

1937-04-04 Application granted granted Critical

1937-04-04 Publication of AU95637A publication Critical patent/AU95637A/en

1937-04-04 Publication of AU101108B2 publication Critical patent/AU101108B2/en

Status Expired legal-status Critical Current

Links

AU956/37A 1937-03-09 Improvements in telephone systems Expired AU101108B2 (en)

Publications (2)

Publication Number	Publication Date
AU95637A AU95637A (en)	1937-04-04
AU101108B2 true AU101108B2 (en)	1937-04-04

Family

ID=

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