YSJ 415-1993
Specification for nonferrous metal survey (English Version)

Standard No.

YSJ 415-1993

Language

Chinese, Available in English version

Published By

Professional Standard - Non-ferrous Metal

Latest

YSJ 415-1993

YSJ 415-1993 history

• 1970 YSJ 415-1993 Specification for nonferrous metal survey