GB/T 18743.1-2022热塑性塑料管材简支梁冲击强度的测定第1部分:通用试验方法国家标准
英文:Thermoplastics pipes—Determination of pendulum impact strength by the Charpy method—Part 1:General test method GB/T 1...
英文:Thermoplastics pipes—Determination of pendulum impact strength by the Charpy method—Part 1:General test method GB/T 1...