ES345032A1 - Mejoras introducidas en los elementos de empaquetadura des-tinados a efectuar cierres hidraulicos de estanqueidad pro- porcional en tuberias.
- Google Patents
Mejoras introducidas en los elementos de empaquetadura des-tinados a efectuar cierres hidraulicos de estanqueidad pro- porcional en tuberias.
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Mannesmann Agrotecnica S A
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Mannesmann Agrotecnica S A
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Priority to ES345032ApriorityCriticalpatent/ES345032A1/es
Publication of ES345032A1publicationCriticalpatent/ES345032A1/es
ES345032A1967-09-131967-09-13Mejoras introducidas en los elementos de empaquetadura des-tinados a efectuar cierres hidraulicos de estanqueidad pro- porcional en tuberias.
ExpiredES345032A1
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