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AU150127B2 - Improvements in or relating to intercommunication telephone systems - Google Patents
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AU150127B2 - Improvements in or relating to intercommunication telephone systems - Google Patents

Improvements in or relating to intercommunication telephone systems

Info

Publication number
AU150127B2
AU150127B2 AU776/51A AU77651A AU150127B2 AU 150127 B2 AU150127 B2 AU 150127B2 AU 776/51 A AU776/51 A AU 776/51A AU 77651 A AU77651 A AU 77651A AU 150127 B2 AU150127 B2 AU 150127B2
Authority
AU
Australia
Prior art keywords
relating
telephone systems
intercommunication telephone
intercommunication
systems
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
AU776/51A
Filing date
Publication of AU150127B2 publication Critical patent/AU150127B2/en
Application filed filed Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU776/51A 1951-02-13 Improvements in or relating to intercommunication telephone systems Expired - Lifetime AU150127B2 (en)

Publications (1)

Publication Number Publication Date
AU150127B2 true AU150127B2 (en)

Family

ID=

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