ZB D21001-1990
(English Version)

Standard No.

ZB D21001-1990

Language

Chinese, Available in English version

Published By

Professional Standard - Speciality

Status

Be replaced 1999-08

Replace By

MT/T 802.1-1999

Latest

MT/T 802.1-1999

ZB D21001-1990 history

• 1999 MT/T 802.1-1999 Determination of effective sulfur of pyrite and concentrated pyrite in coal seam
• 1970 ZB D21001-1990