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Priority to ES539003ApriorityCriticalpatent/ES8606568A1/en
Publication of ES8606568A1publicationCriticalpatent/ES8606568A1/en
Publication of ES539003A0publicationCriticalpatent/ES539003A0/en
ES539003A1984-12-211984-12-21System for execution and utilization of deep wells using the shield of the same as water pulse. (Machine-translation by Google Translate, not legally binding)
ExpiredES8606568A1
(en)
System for execution and utilization of deep wells using the shield of the same as water pulse. (Machine-translation by Google Translate, not legally binding)
System for execution and utilization of deep wells using the shield of the same as water pulse. (Machine-translation by Google Translate, not legally binding)
System for execution and utilization of deep wells using the shield of the same as water pulse. (Machine-translation by Google Translate, not legally binding)