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(fr)
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Procede de lixiviation sous pression du nickel et du cobalt a partir de precipites de sulfures
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BE500685A
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CA2049276C
(en)
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Method of tellurium separation from copper electrorefining slime
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BE495159A
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CN109182830B
(zh)
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一种抗氧化合金铜丝的制备方法
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LU87108A1
(fr)
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Procede d'extraction de metal
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US2110445A
(en)
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Process for purifying impure lead
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CN101363088A
(zh)
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一种高润湿、抗氧化的无铅锡基合金
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US2102388A
(en)
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Copper-sulphur alloy
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CN100566912C
(zh)
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无铅软钎焊料
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US2036576A
(en)
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Process for making alloys
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JP4455507B2
(ja)
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飲料水用のバルブ
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BE893551A
(fr)
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Poudre de zinc pour electrode de pile electrique alcaline
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US20050005736A1
(en)
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Method for increasing the effectiveness of a component of a material
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(en)
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Alloy flux for soldering aluminum and process for forming same
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US2615805A
(en)
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Manufacture of lead
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JPS62156242A
(ja)
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銅基合金
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FR2576321A1
(fr)
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Alliages dentaires economiques de tein te blanche
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RU2087560C1
(ru)
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Способ рафинирования медных сплавов
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US1870388A
(en)
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Process for refining bismuth
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US3057718A
(en)
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Rupture disc
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CN100566911C
(zh)
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无铅软钎焊料
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RU2163935C1
(ru)
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Способ переработки золотосеребряных сплавов
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US2110446A
(en)
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Process for purifying impure lead
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US671988A
(en)
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Method of treatment of amalgam containing copper or precious metals.
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