
Textiles; Fibres; Determination Of Linear Density; Gravimetric Method And Vibroscope Method
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Textiles; Fibres; Determination Of Linear Density; Gravimetric Method And Vibroscope Method
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频