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Priority to ES108609ApriorityCriticalpatent/ES108609A1/es
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ES108609A1928-07-191928-07-19Una disposición para la producción de corriente continua de alta tensión utilizando corriente alterna rectificadora.
ExpiredES108609A1
(es)
Colector, para máquinas de corriente continua de alta tensión y de corriente alterna de conmutador, con superficies de rozamiento separadas por las escobillas de diferente polaridad.