Russian aviation (27 volts) relays. TVE101V-2s, EMRV-27B-1, UVPM1 — delay relays, TKN21PODGM — light-current, TTE102KODG — current relay, TKE1R2DT — triple-contact, PKE52P1PGB — low-voltage (12-16 V), TPE22PD — AC 32-40 V.
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<span class="int-own-work" lang="en">Own work</span>