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A METHOD RELATED TO DYEING NATURAL STONES

2025-06-19 07:394070下载
文件类型：PDF文档
文件大小：126K
The invention is related to a method of turning marble, onyx, travertine, granite, basalt, limestone, andesite, lymra marble and all marble stone derivatives into selected or rare colors, other than their natural colors, with solvent-based colorants, after taking them from nature and shaping them for superficial and internal changes.


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