| 摘要 |
537,384. Light watercraft. BOWLER, H. P. Jan. 3, 1940, No. 146. [Class 113 (ii)] Light watercraft are stiffened against sagging, hugging &c. by the provision of a deck 3 near the bottom of the craft extending along the chine line in the case of hard chine boats or at the turn of the bilge in the case of other craft. The keel 4 is extended upwards to the deck 3 and transverse bulkheads 5 may be fitted. |
