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Priority to ES276701ApriorityCriticalpatent/ES276701A1/es
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Shielding Devices Or Components To Electric Or Magnetic Fields
(AREA)
ES276701A1962-04-131962-04-13Perfeccionamientos en los sistemas de sintonía por permeabilidad variable en circuitos de ondas ultracortas y televisión
ExpiredES276701A1
(es)