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IEC 61810-7:1997 ed1.0

Заменен
Electromechanical all-or-nothing relays - Part 7: Test and measurement procedures — 141 стр.
States, for electromechanical all-or-nothing relays, special terms and definitions used, and test and measurement procedures.
ICS
29.120.99 Other electrical accessories / Электрическая арматура прочая