
Standard Specification for Flexible Cellular Materials-Vinyl Chloride Polymers and Copolymers (Closed-Cell Foam)
出版:American Society for Testing and Materials

专家解读视频
Standard Specification for Flexible Cellular Materials-Vinyl Chloride Polymers and Copolymers (Closed-Cell Foam)
出版:American Society for Testing and Materials
专家解读视频