灯具,照明,荧光灯, Emergency Lighting 20 Watts, 120伏,60 Hertz, Watertight, Symbols 331.1EM, 331.2EM, 347.2EM and 347.3EM, 331.1EMSSL, 331.2EMSSL, 347.2EMSSL,347.3EMSSL |
Fixtures, Lighting; Fluorescent, Emergency Lighting 20 Watts, 120 Volts, 60 Hertz, Watertight, Symbols 331.1EM, 331.2EM, 347.2EM and 347.3EM, 331.1EMSSL, 331.2EMSSL, 347.2EMSSL, and 347.3EMSSL |