
Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat resisting alloys
出版:Comite Europeen de Normalisation

专家解读视频
Aerospace series - Metallic materials - Rules for drafting and presentation of material standards - Part 003: Specific rules for heat resisting alloys
出版:Comite Europeen de Normalisation
专家解读视频