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.)
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Individual
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Individual
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Priority to ES4965ApriorityCriticalpatent/ES4965A1/en
Publication of ES4965A1publicationCriticalpatent/ES4965A1/en
ES4965A1885-03-311885-03-31
Procedure for the sanitation of the sewers and use of excremental materials using the devices described.
ExpiredES4965A1
(en)