GB/T 41102-2021包装PET瓶坯注塑成型模具系统通用技术要求标准
英文:General technical requirements for injection moulding system for PET preform in packaging field GB/T 41102-2021介绍: 国家...
英文:General technical requirements for injection moulding system for PET preform in packaging field GB/T 41102-2021介绍: 国家...