73020287
May 1, 1974
Jan 6, 1976
INSULATED ELECTRICAL WIRES, STRANDED ELECTRICAL WIRE CONDUCTORS AS WELL AS ELECTRICAL CABLES FOR PURPOSES OF ELECTRICAL ENGINEERING, SELF-SUPPORTING OVERHEAD ELECTRICAL CABLES, RAW ELECTRICAL WIRES AND ELECTRICAL CABLES OF METAL, LIGHTNING CONDUCTOR CABLES; PRINTED ELECTRICAL CIRCUITS
Electrical and Scientific Apparatus