首页>
外国专利>
Synchronously - telescopic graph receiver for positive and negative dc pulses, in which for the restoration during the ueberrtragung to strongly steamed pulses pulses of unit duration and of alternating polarity locally be produced by means of pulse relay
Synchronously - telescopic graph receiver for positive and negative dc pulses, in which for the restoration during the ueberrtragung to strongly steamed pulses pulses of unit duration and of alternating polarity locally be produced by means of pulse relay