GB/T 39714.2-2020塑料聚四氟乙烯(PTFE)半成品第2部分:试样制备和性能测定标准
英文:Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 2:Preparation of test specimens and determination ...
英文:Plastics—Polytetrafluoroethylene(PTFE) semi-finished products—Part 2:Preparation of test specimens and determination ...