Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES285980ApriorityCriticalpatent/ES285980A1/es
Publication of ES285980A1publicationCriticalpatent/ES285980A1/es
Stroomschakeling om naar keuze twee elektrische apparaten die van elkaar onafhankelijk zijn over een gemeenschappelijke lijn met een centrale inrichting te verbinden, in het biezonder in telefoonsystemen