ES3418A1 - Un procedimiento de perforación vertical, seguro y rápido, de agujeros de sonda, pozos u hoyos en arenas movedizas o en el agua.
- Google Patents
Un procedimiento de perforación vertical, seguro y rápido, de agujeros de sonda, pozos u hoyos en arenas movedizas o en el agua.
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ES3418A1883-07-141883-07-14Un procedimiento de perforación vertical, seguro y rápido, de agujeros de sonda, pozos u hoyos en arenas movedizas o en el agua.
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