MT 229-1990
Technical conditions of bituminous coal crucible expansion number measuring instrument (English Version)

Standard No.

MT 229-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

煤炭工业部

Latest

MT 229-1990

MT 229-1990 history

• 1990 MT 229-1990 Technical conditions of bituminous coal crucible expansion number measuring instrument