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depending on what group of companies that originally developed the different standards, producers traditionally either supported the production of either dvd+r or dvd-r (for example, dvd-r is a product standard supported by a group labelled ‘dvd forum’ which included inter alia the japanese producer panasonic).
olenevalt kontsernist, kes algselt eri standardid välja töötasid, toetasid tootjad tavaliselt kas dvd+r või dvd-r tootmist (näiteks dvd-r on tootestandard, mida toetab kontsern dvd forum, millesse kuulub teiste hulgas jaapani tootja panasonic).