CH269548A - Disco fonografico in resina sintetica e procedimento per la sua fabbricazione. - Google Patents

Disco fonografico in resina sintetica e procedimento per la sua fabbricazione.

Info

Publication number
CH269548A
CH269548A CH269548DA CH269548A CH 269548 A CH269548 A CH 269548A CH 269548D A CH269548D A CH 269548DA CH 269548 A CH269548 A CH 269548A
Authority
CH
Switzerland
Prior art keywords
discs
disc
raw
dies
synthetic resin
Prior art date
Application number
Other languages
English (en)
Italian (it)
Inventor
Soc Per Az Lavorazio Plastiche
Original Assignee
Az Lavorazione Materie Plastic
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 Az Lavorazione Materie Plastic filed Critical Az Lavorazione Materie Plastic
Publication of CH269548A publication Critical patent/CH269548A/fr

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68Record carriers
    • G11B3/70Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Detergent Compositions (AREA)
CH269548D 1945-06-14 1948-02-24 Disco fonografico in resina sintetica e procedimento per la sua fabbricazione. CH269548A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT269548X 1945-06-14

Publications (1)

Publication Number Publication Date
CH269548A true CH269548A (fr) 1950-07-15

Family

ID=11220618

Family Applications (1)

Application Number Title Priority Date Filing Date
CH269548D CH269548A (fr) 1945-06-14 1948-02-24 Disco fonografico in resina sintetica e procedimento per la sua fabbricazione.

Country Status (1)

Country Link
CH (1) CH269548A (fr)

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