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天然石料试验方法.岩相检验.英文版本DIN EN 12407:2007-06
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文摘
This European Standard 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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