DZ 4-1981
Model preparation method of geological instruments and meters (English Version)

Standard No.

DZ 4-1981

Language

Chinese, Available in English version

Release Date

1981

Published By

Professional Standard - Geology

Latest

DZ 4-1981

Scope

This standard applies to the compilation of geological instrument product models.

DZ 4-1981 history

• 1981 DZ 4-1981 Model preparation method of geological instruments and meters