国标球面垫圈锥面垫圈GB849凹凸垫片GB850平垫M6M8M10M12M16-M64

国标球面垫圈锥面垫圈GB849凹凸垫片GB850平垫M6M8M10M12M16-M64

¥5.12¥5.12 4人已买
百钢五金
河北 邯郸