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SS-EN 12407:2019
Natural stone test methods - Petrographic examination (Swedish Standard)
This document specifies methods for making technical petrographic descriptions of natural stone, except for roofing slates. For this product, the method for the petrographic examination is defined in EN 12326-2. Although chemical and physical methods of analysis are required for petrographic classification of some stone types, these methods will not be described in this standard.
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Swedish Standards Institute [sis]
Swedish Standards Institute [sis]