| 摘要 |
1,219,021. Trawl net. DONSO NATFABRIK BRODERNA NYFELDT and K. Y. T. BERNHARDSSON. 8 April, 1968 [7 April, 1967], No. 16797/68. Heading A1A. A trawl net in the shape of a four-sided truncated pyramid is formed from four plane nets, each as shown, with the fore set C comprising two sections C and C the latter of which is connected to the collecting bag D. (For Figure see next page.) |
