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CIE GENERALE DE PHONOGRAPHES
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CIE GENERALE DE PHONOGRAPHES
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Application filed by CIE GENERALE DE PHONOGRAPHESfiledCriticalCIE GENERALE DE PHONOGRAPHES
Application grantedgrantedCritical
Publication of FR348505ApublicationCriticalpatent/FR348505A/en
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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR348505D1904-11-171904-11-17
Manufacture of positive phonographic plates for speaking machines
ExpiredFR348505A
(en)