000 | 00477nam a22001577a 4500 | ||
---|---|---|---|
003 | OSt | ||
008 | 090807t xxu||||| |||| 00| 0 eng d | ||
082 | _a614.894.43:621-777.6 | ||
110 | _aIndian standards institution | ||
240 | _aIndian standard | ||
245 | _aColour identification markings for air-purifying canisters and cartridges | ||
250 | _a1st reprint June 1983 | ||
260 |
_aNew Delhi _bIndian standards institution _c1977 |
||
653 | _aIS:8318-1977 | ||
942 | _cISI | ||
999 |
_c336339 _d336339 |