[What is the place of semi-precious alloys in 1982?].
D003722:Dental Alloys; D003779:Denture Design; D003829:Denture, Partial; D006047:Gold Alloys; D013499:Surface Properties
D003722:Dental Alloys; D006047:Gold Alloys
Les alliages semi-précieux ont-ils leur place en 1982?