CA300152A - Fabrication de pellicules a empreintes de sons et d'images - Google Patents

Fabrication de pellicules a empreintes de sons et d'images

Info

Publication number
CA300152A
CA300152A CA300152A CA300152DA CA300152A CA 300152 A CA300152 A CA 300152A CA 300152 A CA300152 A CA 300152A CA 300152D A CA300152D A CA 300152DA CA 300152 A CA300152 A CA 300152A
Authority
CA
Canada
Prior art keywords
making film
film bearing
bearing sound
picture records
records
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
CA300152A
Other languages
English (en)
Inventor
Schmidt Richard
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Publication date
Application granted granted Critical
Publication of CA300152A publication Critical patent/CA300152A/fr
Expired legal-status Critical Current

Links

CA300152A Fabrication de pellicules a empreintes de sons et d'images Expired CA300152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA300152T

Publications (1)

Publication Number Publication Date
CA300152A true CA300152A (fr) 1930-05-13

Family

ID=35237471

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300152A Expired CA300152A (fr) Fabrication de pellicules a empreintes de sons et d'images

Country Status (1)

Country Link
CA (1) CA300152A (fr)

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