RO79085A - Material pentru inregistrarea frecventei - Google Patents

Material pentru inregistrarea frecventei

Info

Publication number
RO79085A
RO79085A RO7996735A RO9673579A RO79085A RO 79085 A RO79085 A RO 79085A RO 7996735 A RO7996735 A RO 7996735A RO 9673579 A RO9673579 A RO 9673579A RO 79085 A RO79085 A RO 79085A
Authority
RO
Romania
Prior art keywords
frequency recording
recording
frequency
Prior art date
Application number
RO7996735A
Other languages
English (en)
French (fr)
Inventor
Vendelin Macho
Zdenek Bartusek
Vladimir Kabicek
Karel Cerny
Juraj Porubsky
Original Assignee
Vyzkumny Ustav Pre Petrochemiu,Cs
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 Vyzkumny Ustav Pre Petrochemiu,Cs filed Critical Vyzkumny Ustav Pre Petrochemiu,Cs
Publication of RO79085A publication Critical patent/RO79085A/ro

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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
RO7996735A 1978-02-28 1979-02-27 Material pentru inregistrarea frecventei RO79085A (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS125378A CS208245B1 (en) 1978-02-28 1978-02-28 Material for frequency record vehicles

Publications (1)

Publication Number Publication Date
RO79085A true RO79085A (ro) 1982-06-25

Family

ID=5346430

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7996735A RO79085A (ro) 1978-02-28 1979-02-27 Material pentru inregistrarea frecventei

Country Status (6)

Country Link
CS (1) CS208245B1 (ro)
DD (1) DD142198A1 (ro)
GB (1) GB2015005B (ro)
HU (1) HU178799B (ro)
PL (1) PL110788B2 (ro)
RO (1) RO79085A (ro)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05125245A (ja) * 1991-11-08 1993-05-21 Sumitomo Chem Co Ltd 粉末成形用塩化ビニル系樹脂組成物及びその製法

Also Published As

Publication number Publication date
PL110788B2 (en) 1980-07-31
DD142198A1 (de) 1980-06-11
GB2015005A (en) 1979-09-05
HU178799B (en) 1982-06-28
PL213761A2 (ro) 1979-12-03
GB2015005B (en) 1982-12-08
CS208245B1 (en) 1981-09-15

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