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Publication of FR51851EpublicationCriticalpatent/FR51851E/fr
H03G1/00—Details of arrangements for controlling amplification
H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
H03G1/0011—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying tubes of the amplifier
FR51851D1939-08-031939-08-03Procédé de préparation de sulfamides
ExpiredFR51851E
(fr)