| 摘要 |
1516483 Fish rearing enclosures YOSHIDA KOGYO KK 24 Jan 1977 [24 Jan 1976] 02705/77 Heading A1A An enclosure for rearing fish comprises a frame 11, a net 13, and a sliding clasp fastener F arranged to close an opening in the net. Enclosures may be hung one above the other by rope 14 or they may be formed as a cylindrical stack. |
