| 000 | 00781cab a2200193 4500 | ||
|---|---|---|---|
| 001 | WB2617-09 | ||
| 008 | 090401t1990 xxu||||| |||| 00| 0 eng d | ||
| 035 | _a(Sirsi) u46263 | ||
| 041 | _aeng | ||
| 245 | _aConcrete for lightweights | ||
| 260 | _c1990 | ||
| 350 | _a0 | ||
| 490 |
_aFinancial Times _v1/5/90 p39 Contract Journal vol 355 no 5768, 3/5/9 |
||
| 520 | _aAn American company 3M has developed a form of lightweight ceramic bead which can be used instead of conventional aggregates , reducing the weight of concrete to less than that of water. SBD Construction Products has launched a new rapid hardening, high strength cement called Pyrament. | ||
| 650 | _aBUILT ENVIRONMENT-BUILDING MATERIALS | ||
| 690 | _aBUILT ENVIRONMENT | ||
| 942 | _n0 | ||
| 948 | _c04/03/1997 | ||
| 999 |
_c29272 _d29272 |
||