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Application filed by Ministerul Apararii Nationale,RofiledCriticalMinisterul Apararii Nationale,Ro
Priority to RO8099865ApriorityCriticalpatent/RO78712A2/en
Publication of RO78712A2publicationCriticalpatent/RO78712A2/en
RO8099865A1980-01-141980-01-14
CIRCUIT FOR SWITCHING THE INPUT AND / OR OUTPUT IMPEDANCE OF TELEPHONE RECEIVER AMPLIFIERS OF POWER CURRENTS
RO78712A2
(en)