HB8358-2015 GH4169 镀银带减轻孔PD 杆十二角螺栓.pdf

HB8358－2015GH4169镀银带减轻孔PD杆十二角螺栓Bolt，doublehexagon-headwithlighteninghole，PDshank，silverplating，GH41692015－10－10...