Starting from:

$6

Chinese Industry Standard: DZ/T 0138-1994

Standardized review of product patterns and design documents for geological instruments

地质仪器产品图样与设计文件的标准化审查

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. 

More products