| 000 | 00659cab a2200193 4500 | ||
|---|---|---|---|
| 001 | WB2305-12 | ||
| 008 | 090401t1987 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u937 | ||
| 041 | _aeng | ||
| 245 | _aNew system for sewers | ||
| 260 | _c1987 | ||
| 350 | _a0 | ||
| 490 |
_aContract Journal _vvol 335 no 5597, 22/1/87 p36 |
||
| 520 | _aBristol University and Bristol City Council have devised a chemical method of increasing the efficiency of Britain`s decaying sewers called polymer dosing . The technique is to be marketed by Sewer Flow Monitoring Services . | ||
| 650 | _aREPAIRS | ||
| 690 | _aBUILT ENVIRONMENT | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c524 _d524 |
||