CA587058A
(en )
1959-11-17
Sound recording and sound reproducing apparatus
CA591918A
(en )
1960-02-02
Sound recording and reproducing apparatus
CA574747A
(en )
1959-04-28
Magnetic recording and reproducing apparatus
CA579252A
(en )
1959-07-07
Magnetic recording and reproducing apparatus
CA624332A
(en )
1961-07-25
Sound recording and reproducing apparatus
AU234753B2
(en )
1960-02-25
Record reproducing apparatus
CA587958A
(en )
1959-12-01
Apparatus for recording and reproducing telegraph signals
CA524523A
(en )
1956-05-01
Sound recording or reproducing apparatus
AU256752B2
(en )
1963-10-03
Sound recording and reproducing apparatus
AU237931B2
(en )
Magnetic tape recording and / or reproducing apparatus
CA569893A
(en )
1959-02-03
Magnetic recording and reproducing apparatus and method
AU5189159A
(en )
1960-02-25
Record reproducing apparatus
CA576410A
(en )
1959-05-26
Magnetic recording and reproducing devices
CA588403A
(en )
1959-12-08
Recording and reproducing seismic signals
AU1592162A
(en )
1963-10-03
Sound recording and reproducing apparatus
AU222998B2
(en )
1958-10-23
Brake mechanism for sound recording and reproducing apparatus
CA573061A
(en )
1959-03-31
Phonograph record player
CA588603A
(en )
1959-12-08
Phonograph record player
AU238220B2
(en )
1959-11-19
Video recording and reproducing system
AU233964B2
(en )
1960-01-14
Tape recording and/or reproducing system
CA518126A
(en )
1955-11-08
Sound recording and reproducing apparatus
CA581782A
(en )
1959-08-18
Recording and reproducing apparatus for teaching languages
CA579718A
(en )
1959-07-21
Apparatus and method for electrostatic recording and reproducing
CA644380A
(en )
1962-07-10
Recording and reproducing apparatus
CA609422A
(en )
1960-11-29
Apparatus for recording and reproducing data