CA449717A - Disque d'enregistrement - Google Patents

Disque d'enregistrement

Info

Publication number
CA449717A
CA449717A CA449717A CA449717DA CA449717A CA 449717 A CA449717 A CA 449717A CA 449717 A CA449717 A CA 449717A CA 449717D A CA449717D A CA 449717DA CA 449717 A CA449717 A CA 449717A
Authority
CA
Canada
Prior art keywords
record disc
record
disc
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
CA449717A
Other languages
English (en)
Inventor
E. Gutsafson Gilbert
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio Corp
Publication date
Application granted granted Critical
Publication of CA449717A publication Critical patent/CA449717A/fr
Expired legal-status Critical Current

Links

CA449717A Disque d'enregistrement Expired CA449717A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA449717T

Publications (1)

Publication Number Publication Date
CA449717A true CA449717A (fr) 1948-07-06

Family

ID=35567428

Family Applications (1)

Application Number Title Priority Date Filing Date
CA449717A Expired CA449717A (fr) Disque d'enregistrement

Country Status (1)

Country Link
CA (1) CA449717A (fr)

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