DZ/Z 3-1981
Regulations on drawings and technical documents of geological machinery products (English Version)

Standard No.

DZ/Z 3-1981

Language

Chinese, Available in English version

Published By

Professional Standard - Geology

Latest

DZ/Z 3-1981

Scope

This document is applicable to the research, design, trial production and identification of new geological machinery products. The rectification of old products can be implemented as a reference.

DZ/Z 3-1981 history

• 1970 DZ/Z 3-1981 Regulations on drawings and technical documents of geological machinery products