Isiqinisekiso sikarhulumente ------ Yison ineminyaka engama-25 yamava emveliso kwishishini le-audio, iphumelele uvavanyo lwemarike, kwaye yamkelwa ngurhulumente, kwaye ikhuphe izatifikethi ezininzi ezisiqaphelayo.
Isatifikethi sokuthumela ngaphandle-------Ngokuphathelele kuthunyelo kumazwe angaphandle, siququzelela ukuthengwa kwempahla kumazwe angaphandle, kwaye ukuze sibonelele ngelungelo elingcono lokuthumela ngaphandle, sifaka isicelo sesiqinisekiso esitsha sokuthumela ngaphandle imveliso minyaka le.
Isatifikethi sePatent------Yison ibikwishishini le-audio iminyaka engama-25, uphando oluzimeleyo kunye nophuhliso, uyilo oluzimeleyo, ukuvulwa komngundo ozimeleyo, imveliso ezimeleyo, kwaye wafumana ngaphezulu kwe-50 izatifikethi zelungelo elilodwa, kwaye wafumana ingxelo eninzi elungileyo. ukusuka kubathengi.
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