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.)
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VERNIS PYROLAC Sarl SOC D
Original Assignee
VERNIS PYROLAC Sarl SOC D
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Filing date
Publication date
Application filed by VERNIS PYROLAC Sarl SOC DfiledCriticalVERNIS PYROLAC Sarl SOC D
Application grantedgrantedCritical
Publication of FR48428EpublicationCriticalpatent/FR48428E/fr
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
FR48428D1936-10-121936-10-12Machine pour la fabrication de disques de phonographe
ExpiredFR48428E
(fr)