
Plastics - Thermoplastic Polyester/ester And Polyether/ester Elastomers For Moulding And Extrusion - Part 1: Designation System And Basis For Specifications
出版:Polish Committee for Standardization

專家解讀視頻
Plastics - Thermoplastic Polyester/ester And Polyether/ester Elastomers For Moulding And Extrusion - Part 1: Designation System And Basis For Specifications
出版:Polish Committee for Standardization
專家解讀視頻