| 摘要 |
<p>Plugged or screwable ladder-type frame in modular design offers the possibility that the various components can be exchanged among themselves according to the application, in order to obtain several watercraft of similar design, from basic type, by easy mounting. Independent claims are also included for the following: (A) Floating body for catamaran similar watercraft; (B) Pedal drive for catamaran similar watercraft; (C) Frame for watercraft; (D) Runner for watercraft with ladder-type frame; (E) Roller for ladder-type frame; (F) Grating for frame; and (G) Roller and rocker holder for the frame.</p> |
