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METHOD AND CIRCUIT ARRANGEMENT FOR ONE-WAY SELECTIVE AMPLIFYING SIGNALS /IN PARTICULAR TARIFF PULSES/ IN GIVEN FREQUENCY RANGE, OF TWO-WIRE BIDIRECTIONAL TELECOMMUNICATION NETWORKS
METHOD AND CIRCUIT ARRANGEMENT FOR ONE-WAY SELECTIVE AMPLIFYING SIGNALS /IN PARTICULAR TARIFF PULSES/ IN GIVEN FREQUENCY RANGE, OF TWO-WIRE BIDIRECTIONAL TELECOMMUNICATION NETWORKS