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Individual
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Individual
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Priority to ES1871004879ApriorityCriticalpatent/ES4879H1/es
Publication of ES4879H1publicationCriticalpatent/ES4879H1/es
ES1871004879A1871-12-171871-12-17Sistema para calentar los hornos de beneficio del zinc, asi como los hornos de llama en general, los de reverbero, etc.
ExpiredES4879H1
(es)