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AU104921B2 - Improvements relating to photographic sound records and methods of producing same - Google Patents

Improvements relating to photographic sound records and methods of producing same

Info

Publication number
AU104921B2
AU104921B2 AU4713/37A AU471337A AU104921B2 AU 104921 B2 AU104921 B2 AU 104921B2 AU 4713/37 A AU4713/37 A AU 4713/37A AU 471337 A AU471337 A AU 471337A AU 104921 B2 AU104921 B2 AU 104921B2
Authority
AU
Australia
Prior art keywords
methods
improvements relating
producing same
sound records
photographic sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
AU4713/37A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRITISH ACOUSTIC FILMS Ltd
Original Assignee
BRITISH ACOUSTIC FILMS Ltd
Filing date
Publication of AU104921B2 publication Critical patent/AU104921B2/en
Application filed by BRITISH ACOUSTIC FILMS Ltd filed Critical BRITISH ACOUSTIC FILMS Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU4713/37A 1937-11-02 Improvements relating to photographic sound records and methods of producing same Expired - Lifetime AU104921B2 (en)

Publications (1)

Publication Number Publication Date
AU104921B2 true AU104921B2 (en)

Family

ID=

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