FR874362A - Improvements in the manufacture of phonograph records - Google Patents

Improvements in the manufacture of phonograph records

Info

Publication number
FR874362A
FR874362A FR874362DA FR874362A FR 874362 A FR874362 A FR 874362A FR 874362D A FR874362D A FR 874362DA FR 874362 A FR874362 A FR 874362A
Authority
FR
France
Prior art keywords
manufacture
phonograph records
phonograph
records
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.)
PATHE MARCONI IND MUSIC
Original Assignee
PATHE MARCONI IND MUSIC
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 PATHE MARCONI IND MUSIC filed Critical PATHE MARCONI IND MUSIC
Application granted granted Critical
Publication of FR874362A publication Critical patent/FR874362A/en
Expired legal-status Critical Current

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
FR874362D 1941-07-31 1941-07-31 Improvements in the manufacture of phonograph records Expired FR874362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR874362T 1941-07-31

Publications (1)

Publication Number Publication Date
FR874362A true FR874362A (en) 1942-08-05

Family

ID=9359661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874362D Expired FR874362A (en) 1941-07-31 1941-07-31 Improvements in the manufacture of phonograph records

Country Status (1)

Country Link
FR (1) FR874362A (en)

Similar Documents

Publication Publication Date Title
FR912700A (en) Improvements in the manufacture of screws
FR827479A (en) Improvements in the manufacture of chints
FR874362A (en) Improvements in the manufacture of phonograph records
FR939232A (en) Improvements in the manufacture of electric capacitors
FR876875A (en) Improvements in the manufacture of metal filing cabinets
FR874258A (en) Improvements in loudspeaker construction
FR942323A (en) Improvements in the construction of magnetic cores
FR932135A (en) Improvements in the manufacture of alginic materials
FR971380A (en) Improvements in the manufacture of hollow valves
FR879857A (en) Condenser microphone
FR971988A (en) Improvements in the manufacture of detergents
FR887192A (en) Improvements in the manufacture of slide closures
FR1094816A (en) Improvements in the manufacture of phonograph records
FR972437A (en) Improvements in the manufacture of paints
FR941956A (en) Improvements in the manufacture of brushes
FR880949A (en) Improvements in the manufacture of darts
FR916347A (en) Improvements in the manufacture of aliphatic amines
FR942081A (en) Improvements in the manufacture of aldols
FR873689A (en) Improvements in the manufacture of magnetic cores
FR871566A (en) Improvements in the manufacture of aliphatic acids
ES149534A3 (en) IMPROVEMENTS IN THE MANUFACTURE OF NITROCELLULOSES
FR930575A (en) Improvements in the manufacture of electrical resistances
ES153254A1 (en) IMPROVEMENTS IN THE MANUFACTURE OF CORKETS
ES152234A3 (en) IMPROVEMENTS IN THE MANUFACTURE OF CRUCILS
FR887696A (en) Condenser microphone