AU151278B2
(en )
1950-04-20
Improvements in or relating to record changing mechanisms for gramophones
AU3249250A
(en )
1950-04-20
Improvements in or relating to record changing mechanisms for gramophones
AU151822B2
(en )
1950-05-04
Improvements in or relating to gramophone records
AU152653B2
(en )
1951-11-22
Improvements in or relating to record changing mechanisms for gramophones andthe like
AU3293550A
(en )
1950-05-04
Improvements in or relating to gramophone records
AU509851A
(en )
1951-11-22
Improvements in or relating to record changing mechanisms for gramophones andthe like
AU150372B2
(en )
1950-11-16
Improvements in or relating to dual stylus phonograph pickup
AU156668B2
(en )
1951-11-22
Improvements in or relating to gramophones
AU151896B2
(en )
1950-05-18
Improvements in or relating to magnetic recording media
AU164430B2
(en )
1952-12-04
Improvements in or relating to gramophones
AU155133B2
(en )
1951-02-01
Improvements in or relating to means for checking recorded information
AU161036B2
(en )
1953-02-05
Improvements in or relating to phonographs
AU3688750A
(en )
1950-11-16
Improvements in or relating to dual stylus phonograph pickup
AU517651A
(en )
1951-11-22
Improvements in or relating to gramophones
AU154021B2
(en )
Improvements relating to record changing gramophones
AU3317150A
(en )
1950-05-18
Improvements in or relating to magnetic recording media
AU1313052A
(en )
1952-12-04
Improvements in or relating to gramophones
AU3837750A
(en )
1951-02-01
Improvements in or relating to means for checking recorded information
AU155474B2
(en )
1951-07-19
Improvements in or relating to magnetic recorder
AU1462452A
(en )
1953-02-05
Improvements in or relating to phonographs
AU157657B2
(en )
1951-11-29
Improvements relating to gramophones having record changing mechanism
AU158532B2
(en )
1951-11-29
Improvements relating to gramophones having record changing mechanism
AU148947B2
(en )
1951-03-08
Improvements in or relating to magnetic recorders
AU168219B2
(en )
1952-02-21
Improvements in or relating to magnet heads
AU268151A
(en )
1951-07-19
Improvements in or relating to magnetic recorder