31355385[watercraft by construction]PT2026-03-30 20:35:49BT31325081watercraft by specific typePTNT31395560skiffsPTNT31395562bottom-based watercraftPTNT31395564[dugouts and dugout-based watercraft]PTNT31395565skin boatsPTNT31395568sewn boatsPTNT31395575balsasPT