| 摘要 |
PCT No. PCT/AU91/00421 Sec. 371 Date May 12, 1993 Sec. 102(e) Date May 12, 1993 PCT Filed Sep. 11, 1991 PCT Pub. No. WO92/05095 PCT Pub. Date Apr. 2, 1992.A conveyor (101) to minimize spillage in which the forward run (108) is located below the return run (107) and arranged so that any carry back material dislodged from the return run (107) drops onto the forward run (108).
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