AU119028B2 - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number: AU119028B2
Authority: AU; Australia
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1942-11-30
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 - Lifetime

Application number

AU7560/42A

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.)

Associated Electric Laboratories Inc

Original Assignee

Associated Electric Laboratories Inc

Filing date

1942-11-30

Publication of AU119028B2 publication Critical patent/AU119028B2/en

1942-11-30 Application filed by Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc

1962-11-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

AU7560/42A 1942-11-30 Improvements in telephone systems Expired - Lifetime AU119028B2 (en)

Publications (1)

Publication Number	Publication Date
AU119028B2 true AU119028B2 (en)

Family

ID=

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