| 摘要 |
<p>PCT No. PCT/GB95/01991 Sec. 371 Date Jul. 14, 1997 Sec. 102(e) Date Jul. 14, 1997 PCT Filed Aug. 22, 1995 PCT Pub. No. WO96/06724 PCT Pub. Date Mar. 7, 1996A composite material resistant to armour piercing bullets consisting of a highly elastic polyurethane matrix into which is embedded aggregate, preferably in the form of rounded pebbles having an average screened size range of from about 20 mm to about 60 mm.</p> |
