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Individual
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Priority to ES1986292720UpriorityCriticalpatent/ES292720Y/es
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Publication of ES292720YpublicationCriticalpatent/ES292720Y/es
Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil
(AREA)
Abstract
Boca de perforación perfeccionada, caracterizada porque consta de un cuerpo de perforación y una cabeza de perforación estando unidos entre sí por medio de una garganta de perforación y constando de elementos de rotura del terreno para ambos sentidos de avance y retroceso.
ES1986292720U1986-03-051986-03-05Boca de perforacion perfeccionada
ExpiredES292720Y
(es)