hedge trimmer

• Safety of hand - held motor - operated electric tools - part 2 - 15 : particular requirements for hedge trimmers and grass shears
  手提式电动工具的安全.第2 - 15部分:绿篱修剪机和割草机的特殊要求
• Safety of hand - held electric motor operated tools - part 2 - 15 : particular requirements for hedge trimmers ; german version en 50144 - 2 - 15 : 2001
  手持电动工具安全性.第2 - 15部分:树墙修剪机特殊要求