000 00257nam a2200073 4500
080 _a
_b
245 _aIS: 1777 - 1961 (with Amendment Nos 1 & 2) : Specification for Industrial Lighting Fittings with Metal Reflectors
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1961
300 _a9p
999 _c26539
_d26539