问:哪里下载ISO 21304-1 2019 Plastics — Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials — Part 1 Designation system and basis for specifications答:请联系微信:siduwenku
ISO 21304-1 2019 Plastics — Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials — Part 1 Designation system and basis for specifications