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 | The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores EUR 25.74 Category : Autres Seller : buchpark(69164, 98.2%) |  | The Assayer's Manual. an Abridged Treatise On the Docimastic Examination of Ores EUR 51.2 Category : Autres Seller : buchpark(67367, 98.2%) |