搡老熟女国产_曰韩人妻无码一区二区三区综合部_久久久久无码精品国产情侣_久久国产精品波多野结衣av

全國咨詢熱線 全國咨(zi)詢熱線(xian):

Hardware

Cylinder chisel attack test bench

Cylinder chisel attack test bench

The device is specially designed according to European standard EN1303 to test burglary resistance of cylinder in chiseling. It consists of steel frame, drop hammer and chisel. The drop hammer is released from certain height to delivery specified energy to chisel.
上一篇:沒有了

Copyright ? 2014-2019 廣州(zhou)中檢儀器(qi)有(you)限公司 版權(quan)所有(you)