STAS 6477-1990
Soild fuels. Pit coal. Classification system and statistical grouping

Standard No.

STAS 6477-1990

Release Date

1990

Published By

RO-ASRO

Latest

STAS 6477-1990

Scope

Prezentul standard stabile?te sistemul de clasificare ?i gruparea statistic? a huilelor. Acestea s?nt adoptate dup? clasificarea interna?ional?. Indicii dup? care se face clasificarea, cu exccp?ia puterii calorifice, se determin? pe huile sp?late la un

STAS 6477-1990 history

• 1990 STAS 6477-1990 Soild fuels. Pit coal. Classification system and statistical grouping