AU146122B2
(en )
1948-08-19
Magnetic recording and reproducing
AU147857B2
(en )
1948-08-19
Magnetic recording and reproducing
AU2194648A
(en )
1948-08-19
Magnetic recording and reproducing
AU2194748A
(en )
1948-08-19
Magnetic recording and reproducing
AU141915B2
(en )
1948-05-20
Improvements in magnetic recording and reproducing
AU144610B2
(en )
1948-05-20
Improvements in magnetic recording and reproducing
AU2008448A
(en )
1948-05-20
Improvements in magnetic recording and reproducing
AU2008548A
(en )
1948-05-20
Improvements in magnetic recording and reproducing
AU151065B2
(en )
1950-01-12
Magnetic recording and reproducing
CA451145A
(en )
1948-09-14
Recording and reproducing apparatus
AU146869B2
(en )
1948-09-02
Improvement insound recording and reproducing apparatus
AU3060949A
(en )
1950-01-12
Magnetic recording and reproducing
AU144611B2
(en )
1948-05-20
Improvements in magnetic reproducing
AU2229048A
(en )
1948-09-02
Improvement insound recording and reproducing apparatus
CA450085A
(en )
1948-07-27
Magnetic recording-reproducing means and system
CA448802A
(en )
1948-06-01
Wire type recording and reproducing apparatus
CA449164A
(en )
1948-06-15
Magnetic recording head
AU2008648A
(en )
1948-05-20
Improvements in magnetic reproducing
CA447189A
(en )
1948-03-09
Magnetic recorder
CA452415A
(en )
1948-11-02
Magnetic recorder
AU148846B2
(en )
1948-07-01
Magnetic recorder-reproducer
AU138768B2
(en )
1948-04-18
Record changing means for gramophones and like apparatuses
CA464954A
(en )
1950-05-09
Magnetic recording and reproducing head
AU2019948A
(en )
1948-07-01
Magnetic recorder-reproducer
AU147191B2
(en )
1948-12-02
Magnetic recording apparatus