000 | 00265nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIS:4248-1967 : Specification for Non-Ignitable and Self-Extinguishing Boards (with Mineral Base) for Electrical Purposes | ||
700 | _aINDIAN STANDARDS INSTITUTION | ||
260 |
_aNew Delhi _bBIS _c1967 |
||
300 | _a24p | ||
999 |
_c25598 _d25598 |