HG/T 22805.4-1993
Regulations on the Content and Depth of Construction Drawing Design for Chemical Mining Enterprises—Tailings Specialty (English Version)

Standard No.

HG/T 22805.4-1993

Language

Chinese, Available in English version

Published By

Professional Standard - Chemical Industry

Latest

HG/T 22805.4-1993

HG/T 22805.4-1993 history

• 1970 HG/T 22805.4-1993 Regulations on the Content and Depth of Construction Drawing Design for Chemical Mining Enterprises—Tailings Specialty