AU166174B2
(en )
1953-11-10
Improvements in or relating to tape recording apparatus
AU2200953A
(en )
1953-11-10
Improvements in or relating to tape recording apparatus
AU166113B2
(en )
1954-01-28
Improvements in or relating to magnetic recording apparatus
AU163733B2
(en )
1954-01-07
Improvements in or relating to automatically controlled recording apparatus
AU2322053A
(en )
1954-01-28
Improvements in or relating to magnetic recording apparatus
AU2254753A
(en )
1954-01-07
Improvements in or relating to automatically controlled recording apparatus
AU164996B2
(en )
1953-11-19
Improvements in or relating to magnetic recording devices
AU209047B2
(en )
1955-10-27
Improvements in or relating to magnetic tape recording apparatus
AU158353B2
(en )
1953-08-20
Improvements in or relating to electric recording and reproducing apparatus
AU162761B2
(en )
1953-10-29
Improvements in or relating to phonographs
AU2139953A
(en )
1953-11-19
Improvements in or relating to magnetic recording devices
AU859755A
(en )
1955-10-27
Improvements in or relating to magnetic tape recording apparatus
AU1921453A
(en )
1953-08-20
Improvements in or relating to electric recording and reproducing apparatus
AU203140B2
(en )
1954-12-09
Improvements in or relating to automatic recording apparatus
AU209037B2
(en )
1955-07-07
Improvements in or relating to apparatus for comparing recorded data
AU163866B2
(en )
1953-04-16
Improvements in or relating to record changers
AU203536B2
(en )
1954-11-18
Improvements in or relating in signal recording apparatus
AU2089353A
(en )
1953-10-29
Improvements in or relating to phonographs
CA505036A
(en )
1954-08-10
Track recorder
AU165592B2
(en )
Improvements in or relating to photographic apparatus
AU162802B2
(en )
Improvements in or relating to photographic apparatus
AU159187B2
(en )
1953-05-14
Improvements in phonographs
CA502490A
(en )
1954-05-18
Graphical recording and indicating apparatus
AU166507B2
(en )
1953-12-24
Improvements in or relating to data translating apparatus
AU165312B2
(en )
1954-02-11
Improvements in or relating to data translating apparatus