1:50 000 Specifications for the compilation and drawing of geological maps
1∶50 000地质图地理底图编绘规范
中华人民共和国地质矿产部
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.
