GB/T 39692-2020硫化橡胶或热塑性橡胶低温试验概述与指南标准
英文:Rubber,vulcanized or thermoplastic—Low temperature testing—General introduction and guide GB/T 39692-2020介绍: 国家标准《硫化橡...
英文:Rubber,vulcanized or thermoplastic—Low temperature testing—General introduction and guide GB/T 39692-2020介绍: 国家标准《硫化橡...