50倍笔式放大镜(带刻度) WYBS-50... 上海玺欣精密仪器有限公司

p1Src=//y1.yzimgs.com/uploads_old/310877/2008051904520146_old.jpg&p2Src=//y1.yzimgs.com/uploads_old/310877/2008051904520146_old_1.jpg"