METHOD OF PROCESSING TIN-CONTAINING MATERIALS von NIKOLAI ARSENTIEVICH VORONKOV, NIKOLAI STEPANOVICH KLESCHENKO, GEORGY SEMENOVICH MAKAROV, VLADIMIR VLADIMIROVICH KOSTELOV, BORIS PETROVICH DEREVENSKY, ALEXANDR ALEXANDROVICH BAKLAGIN, DMITRY IGNATIEVICH EROFEEV, ANNA NIKIFOROVNA FEDORENKO, VALENTIN ALEXEEVICH SHEMYAKIN, BORIS FEDOROVICH VERNER, JURY ROMANOVICH RODNIN, VLADIMIR GRIGORIEVICH BROVKIN, BORIS PETROVICH LEVIN

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APPARATUS FOR REFINING METALS BY DISTILLATION von SEMEN ALEXEEVICH RYZHKIN, IBRAGIM ABILGAZIEVICH ONAEV, NIKOLAI STEPANOVICH KLESCHENKO, ALEXEI FEDOROVICH RAZNYTSYN, VLADIMIR SERGEEVICH ESJUTAN, JURY ANATOLIEVICH NARYSHKIN, ALEXANDR EFIMOVICH SEMENOV, SERGEI JULIEVICH SENJUTA, JURY PETROVICH NOVIKOV, SERAFIM NIKOLAEVICH SUTURIN, DEMYAN ILLARIONOVICH GAVRILENKO, VLADIMIR SEMENOVICH CHEREDNICHENKO, ALEXANDR STEPANOVICH IVANNIKOV, ARSENIEVICH VORONKOV, ALEXEI ALEXEEVICH LKEVAKIN, ZHAVDAT SHARAFUTDINOVICH, GENNADY IVANOVICH ORLOV

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METODO MEJORADO PARA LA RECUPERACION DE ESTANO A PARTIR DE MATERIALES QUE LO CONTIENEN von EROFEEV DMITRY IGNATIEVICH, BROVKIN VLADIMIR GRIGORIEVICH, DEREVENSKY BORIS PETROVICH, BAKLAGIN ALEXANDROVICH, KOSTELOV VLADIMIR VLADIMIROVICH, KLESCHENKO NIKOLAI STEPANOVICH, LEVIN BORIS PETROVICH, RODMIN NIKOLAI ARSENTIEVICH VORONKOVN JURY ROMANOVICH, VENER BORIS FEDOROVICH, MAKAROV GEORGY SEMENOVICH, SHEMYAKIN VALENTIN ALEXEEVICH, FEDORENKO ANNA NIKIFOROVNA

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