antique illustration, applied mechanics: air vehicles, air balloon parachute, open - 傘繩 幅插畫檔、美工圖案、卡通及圖標降落傘運動, 降落傘
antique illustration, applied mechanics: air vehicles, air balloon parachute, closed - 傘繩 幅插畫檔、美工圖案、卡通及圖標