000 00228nam a2200073 4500
080 _a
_b
245 _aBS-0559 - 1955; Electric Signs and High-Voltage Luminous Discharge-Tube Installations
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1955
300 _a27p
999 _c24566
_d24566