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Individual
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Individual
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Priority to ES81350ApriorityCriticalpatent/ES81350A1/en
Publication of ES81350A1publicationCriticalpatent/ES81350A1/en
ES81350A1922-04-121922-04-12
A furnace that facilitates the replacement of anthracite coal by firewood in the fuel that generates the lean gas.
ExpiredES81350A1
(en)