Обогащение полезных ископаемых
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The case of issuing privileges to Yekaterinburg Promanin Privalov on the gold coating machine invented
Department of State Saving Department of the State Council.The case of issuing privileges to the Ekaterinburg Promanin Privalov on the gold coating machine invented them.
The case of the issuance of a 5-year-old privilege of the rule of the mining department with the Governor-General of Eastern Siberia Titular Counselor Daechman on the gold coating machine invented by it, called the "gold coating screw"
Department of State Saving Department of the State Council.The case of the issuance of a 5-year-old privilege to the rule of the mining department with the Governor-General of Eastern Siberia Titular adviser to Daechman on the gold coating machine invented by them, called the "gold coating screw".
The case of the issuance of 10-year-old privileges to the Yekaterinburg Tradanin Nikolay Shepyrev and the freely published Demidov, Dmitry Junin, on the gold coating machine invented by them
Department of State Saving Department of the State Council.The case of the issuance of 10-year-old privileges to the Yekaterinburg Tradanin Nikolay Shepyrev and the freely published Demidov, Dmitry Vecnin, on the gold coating machine invented by them.