AU146869B2
(en )
1948-09-02
Improvement insound recording and reproducing apparatus
CA451145A
(en )
1948-09-14
Recording and reproducing apparatus
AU2229048A
(en )
1948-09-02
Improvement insound recording and reproducing apparatus
CA448802A
(en )
1948-06-01
Wire type recording and reproducing apparatus
AU138768B2
(en )
1948-04-18
Record changing means for gramophones and like apparatuses
AU147898B2
(en )
1948-10-14
Improvements relating to sound recording and/or reproducing apparatus
AU1888448A
(en )
1948-04-18
Record changing means for gramophones and like apparatuses
AU146122B2
(en )
1948-08-19
Magnetic recording and reproducing
AU147857B2
(en )
1948-08-19
Magnetic recording and reproducing
AU147191B2
(en )
1948-12-02
Magnetic recording apparatus
AU2303048A
(en )
1948-10-14
Improvements relating to sound recording and/or reproducing apparatus
CA449492A
(en )
1948-06-29
Sound recording apparatus
CA443983A
(en )
1947-09-02
Recording and reproducing apparatus
CA453731A
(en )
1948-12-28
Apparatus for reproducing characters and the like
AU2194748A
(en )
1948-08-19
Magnetic recording and reproducing
AU2194648A
(en )
1948-08-19
Magnetic recording and reproducing
AU2408148A
(en )
1948-12-02
Magnetic recording apparatus
CA450471A
(en )
1948-08-10
Recording and exhibiting mechanism
AU143963B2
(en )
1948-04-08
Magnetic transducing apparatus
CA450154A
(en )
1948-07-27
Record reproducing system
CA451557A
(en )
1948-10-05
Meteorological recording method and apparatus
CA453048A
(en )
1948-11-30
Apparatus for operating phonographs and processing records
CA450085A
(en )
1948-07-27
Magnetic recording-reproducing means and system
IE19597L
(en )
1949-04-24
Recording and reproducing teleprinter signals
AU144610B2
(en )
1948-05-20
Improvements in magnetic recording and reproducing