AU3744050A - Improvements in subscribers' telephone sets - Google Patents

Improvements in subscribers' telephone sets

Info

Publication number
AU3744050A
AU3744050A AU37440/50A AU3744050A AU3744050A AU 3744050 A AU3744050 A AU 3744050A AU 37440/50 A AU37440/50 A AU 37440/50A AU 3744050 A AU3744050 A AU 3744050A AU 3744050 A AU3744050 A AU 3744050A
Authority
AU
Australia
Prior art keywords
subscribers
telephone sets
telephone
sets
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
AU37440/50A
Other versions
AU150101B2 (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU150101B2 publication Critical patent/AU150101B2/en
Publication of AU3744050A publication Critical patent/AU3744050A/en
Expired legal-status Critical Current

Links

AU37440/50A 1950-10-12 Improvements in subscribers' telephone sets Expired AU150101B2 (en)

Publications (2)

Publication Number Publication Date
AU150101B2 AU150101B2 (en) 1950-12-14
AU3744050A true AU3744050A (en) 1950-12-14

Family

ID=

Similar Documents

Publication Publication Date Title
AU150101B2 (en) Improvements in subscribers' telephone sets
AU3744050A (en) Improvements in subscribers' telephone sets
AU154451B2 (en) Improvements in or relating to telephone subscriber sets
AU151323B2 (en) Improvements in loud-speaking telephone equipment
AU3821250A (en) Improvements in loud-speaking telephone equipment
CA447431A (en) Subscriber telephone set
AU153573B2 (en) Improvements in or relating to telecommunication exchanges
AU161958B2 (en) Improvements in or relating to telephone subscriber sets
AU3704550A (en) Improvements in or relating to telecommunication exchanges
AU155487B2 (en) improvements in or relating to telecommunication exchanges
AU148553B2 (en) Improvements relating to telephone substation arrangements
AU886252A (en) Improvements in or relating to telephone subscriber sets
CA464939A (en) Telephone index
AU135198B2 (en) Improvements in telephone subscribers instruments
AU157396B2 (en) 1'Telephone circuit
AU148784B2 (en) Improvements in telephone systems
AU142850B2 (en) Improvements in loud-speaking telephone arrangements
AU154139B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU151581B2 (en) Improvements in or relating to automatic telecommunication exchanges
AU44351A (en) improvements in or relating to telecommunication exchanges
AU149178B2 (en) Improvements relating to telephone switchboards
CA467020A (en) Key-sending from subscribers' stations-universal system
AU140640B2 (en) Improvements relating to call distributing arrangements in telephone systems
AU132682B2 (en) Calling line identification arrangements' in telephone systems
AU150903B2 (en) Improvements relating to telephone switching apparatus