CA478587A - Recording methods and apparatus - Google Patents

Recording methods and apparatus

Info

Publication number
CA478587A
CA478587A CA478587A CA478587DA CA478587A CA 478587 A CA478587 A CA 478587A CA 478587 A CA478587 A CA 478587A CA 478587D A CA478587D A CA 478587DA CA 478587 A CA478587 A CA 478587A
Authority
CA
Canada
Prior art keywords
recording methods
recording
methods
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
CA478587A
Other languages
French (fr)
Inventor
M. Davis 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.)
Standard Oil Development Co
Original Assignee
Standard Oil Development Co
Publication date
Application granted granted Critical
Publication of CA478587A publication Critical patent/CA478587A/en
Expired legal-status Critical Current

Links

CA478587A Recording methods and apparatus Expired CA478587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA478587T

Publications (1)

Publication Number Publication Date
CA478587A true CA478587A (en) 1951-11-13

Family

ID=35618245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA478587A Expired CA478587A (en) Recording methods and apparatus

Country Status (1)

Country Link
CA (1) CA478587A (en)

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