C-91 (Kleshi elektroizmeritel'nye) 1972
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Electrical pliers "Ts-91" were produced from 1972 by the Yerevan Electrotochpribor plant. Electrical clamp pliers are designed to measure current and voltage without breaking the circuit with a frequency of 50 Hz and voltages up to 650 V. See the instructions for details.
Documentation:
Information from collection of Valery Khartchenko