W-C-375B (NOTICE 1), FEDERAL SPECIFICATION: CIRCUIT BREAKERS, MOLDED CASE; BRANCH CIRCUIT AND SERVICE (GENERAL SPECIFICATION) (19-NOV-1986)
W-C-375B (NOTICE 1), FEDERAL SPECIFICATION: CIRCUIT BREAKERS, MOLDED CASE; BRANCH CIRCUIT AND SERVICE (GENERAL SPECIFICATION) (19-NOV-1986).