GB/T 7755.1-2018硫化橡胶或热塑性橡胶透气性的测定第1部分:压差法国家标准
英文:Rubber,vulcanized or thermoplastic—Determination of permeability to gases—Part 1:Differential-pressure methods GB/T 7...
英文:Rubber,vulcanized or thermoplastic—Determination of permeability to gases—Part 1:Differential-pressure methods GB/T 7...