73131172
Jun 20, 1977
Apr 24, 1979
BREATHING APPARATUS (NOT FOR ARTIFICIAL RESPIRATION); APPARATUS AND INSTRUMENTS ALL FOR DETECTING GAS AND INFLAMABLE VAPORS; COMPASSES (NOT FOR DRAWING); SWITCHES, PLUGS, SOCKETS, CONNECTIONS, JUNCTION BOXES, ALL BEING ELECTRIC; NAUTICAL SIGNALLING AND NAVIGATION LIGHTS; ALL FOR USE ON WATERCRAFTS; AND PARTS AND FITTINGS
Electrical and Scientific Apparatus