AU1394728A - Improvements in or relating to telephone systems - Google Patents

Improvements in or relating to telephone systems

Info

Publication number
AU1394728A
AU1394728A AU13947/28A AU1394728A AU1394728A AU 1394728 A AU1394728 A AU 1394728A AU 13947/28 A AU13947/28 A AU 13947/28A AU 1394728 A AU1394728 A AU 1394728A AU 1394728 A AU1394728 A AU 1394728A
Authority
AU
Australia
Prior art keywords
relating
telephone systems
telephone
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
Application number
AU13947/28A
Filing date
Publication date
Application filed filed Critical
Publication of AU1394728A publication Critical patent/AU1394728A/en
Expired legal-status Critical Current

Links

AU13947/28A 1928-06-19 Improvements in or relating to telephone systems Expired AU1394728A (en)

Publications (1)

Publication Number Publication Date
AU1394728A true AU1394728A (en) 1929-05-28

Family

ID=

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