AU144676B2
(en )
1948-11-25
Improvements in or relating to means for recording and reproducing teleprinter signals
AU2392648A
(en )
1948-11-25
Improvements in or relating to means for recording and reproducing teleprinter signals
AU147898B2
(en )
1948-10-14
Improvements relating to sound recording and/or reproducing apparatus
AU138929B2
(en )
1948-03-11
Improvements in and relating to sound recording or/and reproducing machines
AU2303048A
(en )
1948-10-14
Improvements relating to sound recording and/or reproducing apparatus
IE19597L
(en )
1949-04-24
Recording and reproducing teleprinter signals
AU138702B2
(en )
1947-06-12
Improvements in or relating to sound recording and reproducing devices
AU1822748A
(en )
1948-03-11
Improvements in and relating to sound recording or/and reproducing machines
AU146869B2
(en )
1948-09-02
Improvement insound recording and reproducing apparatus
AU1217347A
(en )
1947-06-12
Improvements in or relating to sound recording and reproducing devices
CA451145A
(en )
1948-09-14
Recording and reproducing apparatus
AU152528B2
(en )
1950-04-20
Improvements in or relating to sound recording and reproducing apparatus
AU139887B2
(en )
1948-11-11
Improvements in and relating to sound recording and reproducing apparatus
CA450154A
(en )
1948-07-27
Record reproducing system
AU2229048A
(en )
1948-09-02
Improvement insound recording and reproducing apparatus
AU141915B2
(en )
1948-05-20
Improvements in magnetic recording and reproducing
AU144610B2
(en )
1948-05-20
Improvements in magnetic recording and reproducing
AU138768B2
(en )
1948-04-18
Record changing means for gramophones and like apparatuses
AU3249850A
(en )
1950-04-20
Improvements in or relating to sound recording and reproducing apparatus
AU155762B2
(en )
1953-07-16
Improvements in or relating to sound recording or reproducing apparatus
AU146122B2
(en )
1948-08-19
Magnetic recording and reproducing
AU147857B2
(en )
1948-08-19
Magnetic recording and reproducing
AU134032B2
(en )
1946-10-31
Improvements in or relating to sound recording and reproduction
AU1630847A
(en )
1948-11-11
Improvements in and relating to sound recording and reproducing apparatus
AU2008548A
(en )
1948-05-20
Improvements in magnetic recording and reproducing