摘要 |
<p>PCT No. PCT/GB92/02268 Sec. 371 Date Mar. 21, 1995 Sec. 102(e) Date Mar. 21, 1995 PCT Filed Dec. 7, 1992 PCT Pub. No. WO93/11892 PCT Pub. Date Jun. 24, 1993Light alloy metal products are cast by introducing the molten metal into a sand mold having a vertical parting line, characterized in that the mold is bottom filled.</p> |