| 000 | 00335nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s1993 xx 000 0 eng d | ||
| 100 | _aIS 1172 1993 | ||
| 245 | 0 | _aIS CODE OF BASIC REQUIREMENTS FOR WATER SUPPLY DRAINGE AND SANITATION | |
| 250 | _a4 | ||
| 260 |
_aDELHI _bBUREAU OF INDIAN STANDARD _c1993 |
||
| 300 | _a14 | ||
| 942 | _2ddc | ||
| 999 |
_c93822 _d93822 |
||