$10
Signalling between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band
NEQ NMT450
邮电部电信传输研究所
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