ES539003A0 - Sistema para ejecucion y utilizacion de pozos profundos empleando el blindaje del mismo como tuberia de impulsion de agua.
- Google Patents
Sistema para ejecucion y utilizacion de pozos profundos empleando el blindaje del mismo como tuberia de impulsion de agua.
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ES539003A1984-12-211984-12-21Sistema para ejecucion y utilizacion de pozos profundos empleando el blindaje del mismo como tuberia de impulsion de agua.
ExpiredES8606568A1
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