CH498464A - Disque d'enregistrement pour phonographe
- Google Patents
Disque d'enregistrement pour phonographe
Info
Publication number
CH498464A
CH498464ACH1800768ACH1800768ACH498464ACH 498464 ACH498464 ACH 498464ACH 1800768 ACH1800768 ACH 1800768ACH 1800768 ACH1800768 ACH 1800768ACH 498464 ACH498464 ACH 498464A
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 Mc Graw Edison CofiledCriticalMc Graw Edison Co
Publication of CH498464ApublicationCriticalpatent/CH498464A/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
B29D17/002—Producing phonograph records
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)
Laminated Bodies
(AREA)
CH1800768A1967-12-111968-12-03Disque d'enregistrement pour phonographe
CH498464A
(fr)