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Jerzmanowski Erazm Joseph
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Jerzmanowski Erazm Joseph
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Application filed by Jerzmanowski Erazm JosephfiledCriticalJerzmanowski Erazm Joseph
Priority to ES3834ApriorityCriticalpatent/ES3834A1/en
Publication of ES3834A1publicationCriticalpatent/ES3834A1/en
Procedure to indicate the presence in the mines, of the carbureted hydrogen gas called brison, in irregular or dangerous volume, with the apparatus described.