W-C-375B (AMENDMENT 1), FEDERAL SPECIFICATION: CIRCUIT BREAKERS, MOLDED CASE; BRANCH CIRCUIT AND SERVICE (GENERAL SPECIFICATION) (26-APR-1993)
W-C-375B (AMENDMENT 1), FEDERAL SPECIFICATION: CIRCUIT BREAKERS, MOLDED CASE; BRANCH CIRCUIT AND SERVICE (GENERAL SPECIFICATION) (26-APR-1993).