Starting from:

$10

Chinese Standard: GB/T 25217.12-2019

Methods for test,monitoring and prevention of rock burst—Part 12:Prevention method of protective seam mining

中国煤炭工业协会

GB/T 25217的本部分规定了开采保护层防治冲击地压方法的术语和定义、保护层开采适用条件与选择原则、保护层开采设计、保护范围及保护效果、卸压期限。
本部分适用于在煤层中采用开采保护层方法防治冲击地压。

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

More products