
Plastics - Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion Part 1: Designation system and basis for specification
出版:International Organization 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 specification
出版:International Organization for Standardization
專家解讀視頻