BE453664A - - Google Patents

Info

Publication number
BE453664A
BE453664A BE453664A BE453664A BE453664A BE 453664 A BE453664 A BE 453664A BE 453664 A BE453664 A BE 453664A BE 453664 A BE453664 A BE 453664A BE 453664 A BE453664 A BE 453664A
Authority
BE
Belgium
Application number
BE453664A
Original Assignee
Schallband Syndikat Ag
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 of BE453664A publication Critical patent/BE453664A/xx
Application filed by Schallband Syndikat Ag filed Critical Schallband Syndikat Ag

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • G11B3/705—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers characterised by the selection of the material only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
BE453664A 1942-12-21 1943-12-21 BE453664A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE900386X 1942-12-21

Publications (1)

Publication Number Publication Date
BE453664A true BE453664A (ja)

Family

ID=6852584

Family Applications (1)

Application Number Title Priority Date Filing Date
BE453664A BE453664A (ja) 1942-12-21 1943-12-21

Country Status (2)

Country Link
BE (1) BE453664A (ja)
FR (1) FR900386A (ja)

Also Published As

Publication number Publication date
FR900386A (fr) 1945-06-27

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