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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Tefi Apparatebau Dr Daniel KG
Original Assignee
Tefi Apparatebau Dr Daniel KG
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Filing date
Publication date
Application filed by Tefi Apparatebau Dr Daniel KGfiledCriticalTefi Apparatebau Dr Daniel KG
Application grantedgrantedCritical
Publication of FR875184ApublicationCriticalpatent/FR875184A/fr
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR875184D1940-08-301941-09-10Procédé de fabrication de rubans d'enregistrement sonore lisibles mécaniquement
ExpiredFR875184A
(fr)