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ISO/PWI 7404-4

Methods for the petrographic analysis of bituminous coal and anthracite — Part 4: Method of determining microlithotype, carbominerite and minerite composition

General information

Current stage: 00.98 Effective date: 24 pri 2012

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040

Scope

Life cycle

PREVIOUSLY

Revises
ISO 7404-4:1988

NOW

ABANDON
ISO/PWI 7404-4
00.98 Proposal for new project abandoned
24 pri 2012

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