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 |