DZ/T 0304-2017
Multi-process air drilling technical regulations (English Version)

Standard No.

DZ/T 0304-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

Professional Standard - Geology

Latest

DZ/T 0304-2017

DZ/T 0304-2017 history

• 2017 DZ/T 0304-2017 Multi-process air drilling technical regulations