Data elements and interchange formats; information interchange; representation of dates and times (ISO 8601:1988 and its technical corrigendum 1:1991); german version EN 28601:1992— 14 стр.
Dentistry - Polymer based crown and bridge materials (including Amendment A1:2000) (ISO 10477:1992 + AMD 1:1998); German version EN ISO 10477:1996 + A1:2000— 17 стр.
Dentistry - Polymer based crown and bridge materials (including Amendment A1:2000) (ISO 10477:1992 + AMD 1:1998); German version EN ISO 10477:1996 + A1:2000— 17 стр.