$10
Methods of measurement for equipment used in terrestrial radio-relay systems—Part 2:Mesurements for subsystems—Section nine—Stand-by channel switching eguipment
IDT IEC 487-2-2-81
邮电部工业标准化所
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.