
Plastics - Polycarbonate (pc) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications
出版:International Organization for Standardization

專家解讀視頻
Plastics - Polycarbonate (pc) Moulding And Extrusion Materials - Part 1: Designation System And Basis For Specifications
出版:International Organization for Standardization
專家解讀視頻