Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES1851000821ApriorityCriticalpatent/ES821H3/en
Publication of ES821H3publicationCriticalpatent/ES821H3/en
ES1851000821A1851-01-071851-01-07
IMPROVEMENTS IN THE APPARATUS AND PROCEDURES OF DISTILLATION OF THE CHARCOAL OF STONE ETC. FOR THE MANUFACTURE OF GAS
ExpiredES821H3
(en)