AU101236B2
(en )
1937-06-17
Improvements in or relating to telephone or like systems and to hunting switches therefor
AU227836A
(en )
1937-06-17
Improvements in or relating to telephone or like systems and to hunting switches therefor
AU102294B2
(en )
1937-11-04
Improvements in or relating to telephone systems
AU101043B2
(en )
1937-05-27
Improvements in or relating to telephone systems
AU446836A
(en )
1937-11-04
Improvements in or relating to telephone systems
AU185036A
(en )
1937-05-27
Improvements in or relating to telephone systems
AU102546B2
(en )
1937-12-02
Improvements in telephone or like systems
AU102507B2
(en )
1937-12-02
Improvements in telephone or like systems
AU103010B2
(en )
Improvements in or relating to electromagnetic switches of the type used in telephone systems
AU387137A
(en )
1937-12-02
Improvements in telephone or like systems
AU480236A
(en )
1937-12-02
Improvements in telephone or like systems
AU102935B2
(en )
1938-01-20
Improvements in or relating to two-way telephone systems
AU100775B2
(en )
1937-04-22
Improvements in telephone systems
AU101681B2
(en )
1937-08-05
Improvements in telephone systems
AU102685B2
(en )
1937-12-16
Improvements in or relating to telephone transmission systems
AU420036A
(en )
1938-01-20
Improvements in or relating to two-way telephone systems
AU100793B2
(en )
1937-04-29
Improvements in telephone or like systems employing finder switches
AU2398535A
(en )
1936-08-27
Improvements in or relating to telephone or like systems
AU263036A
(en )
1937-04-22
Improvements in telephone systems
AU326636A
(en )
1937-08-05
Improvements in telephone systems
AU506036A
(en )
1937-12-16
Improvements in or relating to telephone transmission systems
AU101988B2
(en )
1937-09-16
Improvements in or relating to telephone or like exchanges
AU101945B2
(en )
1937-09-16
Improvements in or relating to radio and like feeder systems
AU182636A
(en )
1937-04-29
Improvements in telephone or like systems employing finder switches
AU101189B2
(en )
1937-06-10
Improvements in or relating to twomotion switches and to circuit arrangements for telephone or like systems incorporating twomotion selector switches