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| 041 | _a ENGLISH | ||
| 082 | _a628.53 | ||
| 082 | _bBUR | ||
| 100 | _aBUREAU OF INDIAN STANDARDS | ||
| 245 | 0 | _aIS : 5182 (PART 23) 2006 INDAIN STANDARD METHODS FOR MEASUREMENT OF AIR POLLUTION PART 23 RESPIRABLE | |
| 260 | _aNEW DELHI | ||
| 260 | _bBUREAU OF INDIAN STANDARDS. | ||
| 260 | _c2006 | ||
| 650 | _a METHODS FOR MEASUREMENT OF AIR POLLUTION | ||
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