Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Arnolfo O Acero, Gliceria S Ferrer, Hercules A Lapa, Antonio M MaramarafiledCriticalArnolfo O Acero
Priority to PH30720ApriorityCriticalpatent/PH19951A/en
Publication of PH19951ApublicationCriticalpatent/PH19951A/en