
Standard Specification for Extruded Preformed Flexible Cellular Polyolefin Thermal Insulation in Sheet and Tubular Form
出版:American Society for Testing and Materials

專家解讀視頻
Standard Specification for Extruded Preformed Flexible Cellular Polyolefin Thermal Insulation in Sheet and Tubular Form
出版:American Society for Testing and Materials
專家解讀視頻