| 摘要 |
PCT No. PCT/NO92/00161 Sec. 371 Date Oct. 31, 1994 Sec. 102(e) Date Oct. 31, 1994 PCT Filed Aug. 28, 1992 PCT Pub. No. WO93/06542 PCT Pub. Date Sep. 21, 1992A rearing unit for use in a body of water includes a frame, a net bag held by the frame, a jumping fence mounted peripherally around the frame, a top net attached to the jumping fence to form, with the net bag, a closed unit, a floating ring supporting the closed unit and means for raising and lowering the closed unit with respect to the floating ring. |
