GBT16824.1-2016 六角凸缘自攻螺钉.pdf

ICS21.060.10J13飞--－-...r己＿＿，一－-共玉占玉夕GB/T16824.1一2016代替GB/T16824.1-1997六Hexagonwasherheadtappingscrews(ISO7053:201...