MIL-A-28870 (AMENDMENT 3), MILITARY SPECIFICATION: ASSEMBLIES, ELECTRICAL BACKPLANE, PRINTED-WIRING, GENERAL SPECIFICATION FOR (18 MAR 1986)

MIL-A-28870 (AMENDMENT 3), MILITARY SPECIFICATION: ASSEMBLIES, ELECTRICAL BACKPLANE, PRINTED-WIRING, GENERAL SPECIFICATION FOR (18 MAR 1986)., This amendment forms a part of MIL-A-28870, dated 5 May 1982.