
18 Sur l'évolution des techniques d'affinage de la fonte depuis le XIXe siècle was published in Récits sidérurgiques d'hier et d'aujourd'hui on page 301.
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SAAMP is one of the traditional French houses: know-how in the processing and trading of precious metals. We offer you a range of services for each business, through our 5 divisions: Refining, Analysis and control, Semi-finished products …
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l'invention concerne un procede pour affiner l'or; pour affiner l'or brut ayant une purete superieure a 90, on le dissout dans de l'eau regale, on ajoute un agent sequestrant a la solution contenant …
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Explore the Merrill Crowe process for efficient gold extraction. Learn how Xylem's advanced filter press solutions improve recovery rates and productivity in the demanding mining industry.
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Sur l'évolution des techniques d'affinage de la fonte depuis le 19 e siècle About the evolution of pig iron refining techniques since the 19th century. J. Le Coze. ... L'extraordinaire …
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