CA751659A - Sound films and apparatus for their projection - Google Patents

Sound films and apparatus for their projection

Info

Publication number
CA751659A
CA751659A CA751659A CA751659DA CA751659A CA 751659 A CA751659 A CA 751659A CA 751659 A CA751659 A CA 751659A CA 751659D A CA751659D A CA 751659DA CA 751659 A CA751659 A CA 751659A
Authority
CA
Canada
Prior art keywords
projection
sound films
films
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
Application number
CA751659A
Inventor
W. Kingston Arthur
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA751659A publication Critical patent/CA751659A/en
Expired legal-status Critical Current

Links

CA751659A Sound films and apparatus for their projection Expired CA751659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA751659T

Publications (1)

Publication Number Publication Date
CA751659A true CA751659A (en) 1967-01-31

Family

ID=36186012

Family Applications (1)

Application Number Title Priority Date Filing Date
CA751659A Expired CA751659A (en) Sound films and apparatus for their projection

Country Status (1)

Country Link
CA (1) CA751659A (en)

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