ICS43.020CCST24此版仅供学习参阅QC/T1162—2022汽车外饰件用蜂窝夹层结构制品Honeycombsandwichstructureproductforautomobileexteriordecorationparts2022-04-08发布2022-10-01实施QC/T1162—2022目次前言........
