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Application filed by Porfirio Penafiel Y Cia S A DefiledCriticalPorfirio Penafiel Y Cia S A De
Priority to MX9205193ApriorityCriticalpatent/MX9205193A/en
Publication of MX9205193ApublicationCriticalpatent/MX9205193A/en
Son piezas prefabricadas de concreto armado para substituir los pozos hechos en el lugar (generalmente de tabique o de concreto colado en sitio), con las distintas formas y tamaños que la canalización telefónica requiere.They are prefabricated pieces of reinforced concrete to replace wells made on site (generally partitions or cast-in-place concrete), with the different shapes and sizes required by telephone channeling.
MX9205193A1992-09-111992-09-11
PREFABRICATED WELLS FOR TELEPHONE CHANNELS.
MX9205193A
(en)