AU131425B2 - Improvements relating to automatic telephone systems - Google Patents

Improvements relating to automatic telephone systems

Info

Publication number
AU131425B2
AU131425B2 AU3041/46A AU304146A AU131425B2 AU 131425 B2 AU131425 B2 AU 131425B2 AU 3041/46 A AU3041/46 A AU 3041/46A AU 304146 A AU304146 A AU 304146A AU 131425 B2 AU131425 B2 AU 131425B2
Authority
AU
Australia
Prior art keywords
improvements relating
telephone systems
automatic telephone
automatic
relating
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 - Lifetime
Application number
AU3041/46A
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.)
Signal Ls Utilized Ata Selecting Switch Decimal Basis Marking Switches May Receiving Itto Direct Call Toone Ofa Have Lo Outlets Each Marking Device Plurality Of Sets Of Outlet Groups Selec Isalso Used To Control Trans
Original Assignee
Signal Ls Utilized Ata Selecting Switch Decimal Basis Marking Switches May Receiving Itto Direct Call Toone Ofa Have Lo Outlets Each Marking Device Plurality Of Sets Of Outlet Groups Selec Isalso Used To Control Trans
Filing date
Publication of AU131425B2 publication Critical patent/AU131425B2/en
Application filed by Signal Ls Utilized Ata Selecting Switch Decimal Basis Marking Switches May Receiving Itto Direct Call Toone Ofa Have Lo Outlets Each Marking Device Plurality Of Sets Of Outlet Groups Selec Isalso Used To Control Trans filed Critical Signal Ls Utilized Ata Selecting Switch Decimal Basis Marking Switches May Receiving Itto Direct Call Toone Ofa Have Lo Outlets Each Marking Device Plurality Of Sets Of Outlet Groups Selec Isalso Used To Control Trans
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU3041/46A 1946-04-24 Improvements relating to automatic telephone systems Expired - Lifetime AU131425B2 (en)

Publications (1)

Publication Number Publication Date
AU131425B2 true AU131425B2 (en)

Family

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