DK54011C - Audio film with transversal writing and method and apparatus for producing such. - Google Patents

Audio film with transversal writing and method and apparatus for producing such.

Info

Publication number
DK54011C
DK54011C DK54011DA DK54011C DK 54011 C DK54011 C DK 54011C DK 54011D A DK54011D A DK 54011DA DK 54011 C DK54011 C DK 54011C
Authority
DK
Denmark
Prior art keywords
transversal
writing
producing
audio film
audio
Prior art date
Application number
Other languages
Danish (da)
Inventor
Frank Arthur Round
Henry Joseph Round
Frank Percival Swann
Original Assignee
Frank Arthur Round
Henry Joseph Round
Frank Percival Swann
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Frank Arthur Round, Henry Joseph Round, Frank Percival Swann filed Critical Frank Arthur Round
Application granted granted Critical
Publication of DK54011C publication Critical patent/DK54011C/en

Links

DK54011D 1935-07-19 1936-07-18 Audio film with transversal writing and method and apparatus for producing such. DK54011C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54011X 1935-07-19

Publications (1)

Publication Number Publication Date
DK54011C true DK54011C (en) 1937-12-13

Family

ID=9795461

Family Applications (1)

Application Number Title Priority Date Filing Date
DK54011D DK54011C (en) 1935-07-19 1936-07-18 Audio film with transversal writing and method and apparatus for producing such.

Country Status (1)

Country Link
DK (1) DK54011C (en)

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