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Priority to MX18793381ApriorityCriticalpatent/MX155900A/es
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MX18793381A1981-06-231981-06-23Mejoras a un estrangulador para el control de fluidos a presion elevada en instalaciones de pozos de petroleo y gas
MX155900A
(es)
Flanging assembly for suspending casing and tubinsflanging assembly for suspending casing and tubing columnsfor high pressure oil or gas wells columns for high pressure oil or gas wells