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Application filed by Virgilio V DionisiofiledCriticalVirgilio V Dionisio
Priority to PH23662ApriorityCriticalpatent/PH13419A/en
Publication of PH13419ApublicationCriticalpatent/PH13419A/en
Method of protecting at the base bank slopes of ditches,irrigation canals and water-courses by means of profiled panels made of polyester ar other plastocs