$10
Sectional specification:single and double sided printed boards with plain holes
IDT IEC/PQC 89:1990
电子工业部标准化研究所
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.