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Individual
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Individual
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Priority to ES31886ApriorityCriticalpatent/ES31886A1/es
Publication of ES31886A1publicationCriticalpatent/ES31886A1/es
ES31886A1903-06-051903-06-05Mejoras introducidas en las válvulas de las máquinas de vapor y otros fluidos por las cuales pueden ser regulados.
ExpiredES31886A1
(es)