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Individual
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Individual
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Priority to ES5103ApriorityCriticalpatent/ES5103A1/en
Publication of ES5103A1publicationCriticalpatent/ES5103A1/en
ES5103A1885-05-261885-05-26
Improvements in the procedures for making sponge iron, soft iron and steely iron, directly from iron ores.
ExpiredES5103A1
(en)