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.)
Filing date
Publication date
Application filed by Wilfredo N BuenavistafiledCriticalWilfredo N Buenavista
Priority to PH31759ApriorityCriticalpatent/PH20836A/en
Publication of PH20836ApublicationCriticalpatent/PH20836A/en