FR1131344A - Magnetic recording device - Google Patents

Magnetic recording device

Info

Publication number
FR1131344A
FR1131344A FR1131344DA FR1131344A FR 1131344 A FR1131344 A FR 1131344A FR 1131344D A FR1131344D A FR 1131344DA FR 1131344 A FR1131344 A FR 1131344A
Authority
FR
France
Prior art keywords
magnetic recording
recording device
magnetic
recording
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
Other languages
French (fr)
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
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 Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of FR1131344A publication Critical patent/FR1131344A/en
Expired legal-status Critical Current

Links

FR1131344D 1954-09-28 1955-09-20 Magnetic recording device Expired FR1131344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1131344XA 1954-09-28 1954-09-28

Publications (1)

Publication Number Publication Date
FR1131344A true FR1131344A (en) 1957-02-20

Family

ID=22347738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1131344D Expired FR1131344A (en) 1954-09-28 1955-09-20 Magnetic recording device

Country Status (1)

Country Link
FR (1) FR1131344A (en)

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