000 | 00241nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIS: 11900 - 1986; Specification for tungsten rods and tungsten wire for lamps and electron devices | ||
700 | _aBureau of Indian Standards | ||
260 |
_aNew Delhi _bBIS _c1986 |
||
300 | _a15p | ||
999 |
_c34708 _d34708 |