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Individual
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Individual
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Priority to ES44154ApriorityCriticalpatent/ES44154A1/en
Publication of ES44154A1publicationCriticalpatent/ES44154A1/en
ES44154A1908-10-091908-10-09
An improved process for the distillation of bituminous coal or other similar carbonaceous materials.
ExpiredES44154A1
(en)