
Furniture - Strength, durability and safety - Requirements for domestic seating; German and English version FprEN 12520:2015
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Furniture - Strength, durability and safety - Requirements for domestic seating; German and English version FprEN 12520:2015
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频