
EN 12020 ALUMINIUM AND ALUMINIUM ALLOYS - EXTRUDED PRECISION PROFILES IN ALLOYS EN AW-6060 AND EN AW-6063 - PART 2: TOLERANCES ON DIMENSIONS AND FORM
出版:British Standards Institution

专家解读视频
EN 12020 ALUMINIUM AND ALUMINIUM ALLOYS - EXTRUDED PRECISION PROFILES IN ALLOYS EN AW-6060 AND EN AW-6063 - PART 2: TOLERANCES ON DIMENSIONS AND FORM
出版:British Standards Institution
专家解读视频