ČSN ISO 7404-4 (441345)

Coal - Methods for petrographic analysis - Part 4: Method of determining microlithotype, carbominerite and minerite composition

STANDARD published on 1.6.2026

English (the title page in Czech only) -
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The information about the standard:

Designation standards: ČSN ISO 7404-4
Classification mark: 441345
Catalog number: 523480
Publication date standards: 1.6.2026
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN