Chinese Standard: GB/T 20456-2012

Forestry machinery—Portable chain-saws—Non-manually actuated chain brake performance and test methods

IDT  ISO 13772:2009

全国林业机械标准化技术委员会(SAC/TC 61)

本标准规定了林用便携式油锯的被动式锯链制动器（以下简称链制动器）的性能要求和测试方法。

This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address