BE391980A - - Google Patents

Info

Publication number
BE391980A
BE391980A BE391980DA BE391980A BE 391980 A BE391980 A BE 391980A BE 391980D A BE391980D A BE 391980DA BE 391980 A BE391980 A BE 391980A
Authority
BE
Belgium
Prior art keywords
vinyl
recording
support
vinyl resin
sinuosities
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE391980A publication Critical patent/BE391980A/fr

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
BE391980D BE391980A (https=)

Publications (1)

Publication Number Publication Date
BE391980A true BE391980A (https=)

Family

ID=59669

Family Applications (1)

Application Number Title Priority Date Filing Date
BE391980D BE391980A (https=)

Country Status (1)

Country Link
BE (1) BE391980A (https=)

Similar Documents

Publication Publication Date Title
JPS60228115A (ja) プラスチツク情報キヤリヤの複製法に用いるのに適するダイの製造方法
FR2549378A1 (fr) Procede de fabrication de ski par injection de matiere plastique
BE391980A (https=)
EP0072017B1 (en) Methacrylate resin composition for optical information recording medium
US1997572A (en) Sound record
CN120266206A (zh) 留声机唱片
BE476641A (https=)
FR2631861A1 (fr) Procede de fabrication d'un moule d'injection pour thermoplastique
CA1032069A (en) Composite films
EP4526878A1 (en) A process for the preparation of a phonograph disc
US4470940A (en) Method for the manufacture of capacitive electronic discs
JPH0318259B2 (https=)
US1050932A (en) Disk record and the production thereof.
US2584892A (en) Method of manufacturing sound recording disks
CN1091291C (zh) 可记录的/可重放的光记录介质及其光记录方法
US839372A (en) Phonograph record or blank.
WO1999064901A1 (fr) Procede de fabrication de composants optiques par replication
US2129731A (en) Article and method of making same
BE362190A (https=)
US3551264A (en) Fluorocarbon sound record
BE429365A (https=)
US790351A (en) Process of duplicating phonographic records.
JPS60264294A (ja) 光学式情報記録体
FR2833962A1 (fr) Disques moules pour supports d'enregistrement d'informations audio et/ou optiques en copolymere methacrylique a resistance amelioree au stockage
FR2546654A1 (fr) Disque pour enregistrement d'informations sous haute densite du type utilisant des particules de noir de carbone purifie par electrolyse