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Priority to ES1980254454UpriorityCriticalpatent/ES254454Y/es
Publication of ES254454UpublicationCriticalpatent/ES254454U/es
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Publication of ES254454YpublicationCriticalpatent/ES254454Y/es
ES1980254454U1980-11-171980-11-17Nuevo dispositivo venturimetrico para transporte de materialen particulas por una conduccion neumatica
ExpiredES254454Y
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